单词 | emission spectrometry |
释义 | 例句释义: 发射光谱测量,发射光谱测量学,发射光谱法,放射光谱法 1. METHODS The inductively coupled plasma atomic emission spectrometry(ICP-AES) was used for determination. 方法采用等离子体原子发射光谱法(ICPAES)。 www.zgyxzz.com.cn:8080 2. Flame atomic emission spectrometry(FAES) is frequently used to analyze various alkaline elements. 火焰原子发射光谱法(FAES)常用于分析检测碱金属各元素。 www.chemyq.com 3. An analytical method to determine trace elements in titanium white powder by atomic emission spectrometry was introduced in the paper. 研究了原子发射光谱法测定钛白粉中的杂质元素的分析方法。 www.dictall.com 4. Testing water. Determination of sodium and potassium. Flame emission spectrometry method. 水的试验.钠和钾含量的测定.火焰发射分光光度法 www.mapeng.net 5. The adsorption material is ashed and mixed with buffer, then added in electrode and determined by emission spectrometry. 吸附物灰化后,灰分与缓冲剂混合均匀,全部装入杯形电极,发射光谱法测定钯。 terms.shengwuquan.com 6. The measure of sampling was put forward and guarantee to meet the need of analytical of emission spectrometry. 提出实际分析过程中相应的解决措施,保证了光谱分析仪分析结果稳定的需要。 www.chemyq.com 7. ANALYSIS OF ALUMINIUM AND ITS ALLOYS BY EMISSION SPECTROMETRY. 铝及其合金的发射光谱分析 www.mapeng.net 8. There is an increasing application of plasma-excited atomic emission spectrometry as detector. 等离子体激发的原子发射光谱作为检测器其应用也不断增长; epub.cnki.net 9. The uncertainty for determination of Cd, Pb, Hg, Cr in plastic by inductively coupled plasma atomic emission spectrometry was evaluated. 对电感耦合等离子体发射光谱法测定塑胶中镉、铅、汞、铬含量的不确定度进行了评定。 tech.zidian8.com 10. METAL PRODUCTS. GENERAL DATA ON EMISSION SPECTROMETRY. 冶金产品.关于发射光谱分析的一般数据 www.mapeng.net 1. The levels of aluminum and iron were examined by inductively coupled plasma-atomic emission spectrometry(ICP-AES). 电感耦合等离子体原子发射光谱法(ICP-AES)检测铝离子和铁离子水平。 www.bing.com 2. Aquantitative determinatiom of rare Sr and Ba in silicate rocks and muddy source rocks by atomic emission spectrometry(AES) was suggested. 作者以原子发射光谱法定量测硅酸盐岩及泥质汉岩中低含量的锶、钡。 www.chemyq.com 3. It is a problem related to variable factors by optical emission spectrometry to analyse calcium in steel. 利用发射光谱分析钢中钙,是一个涉及多个可变因素的问题。 www.chemyq.com 4. B and A1 in Nd-Fe-B alloy were determined simultaneously by inductively coupled plasma-atomic emission spectrometry. 介绍了用电感耦合等离子体原子发射光谱法测定钕铁硼合金中硼、铝的方法。 www.ceps.com.tw 5. Some Basic Characteristics of Radio Frequency Powered Glow Discharge Atomic Emission Spectrometry for Analysis of Conducting Materials 射频供能辉光放电原子发射光谱分析导体的基本特性 www.ilib.cn 6. Methods for analysis of animal feeding stuffs - Determination of potassium and sodium contents - Methods using flame-emission spectrometry 动物饲料分析方法.钠钾含量的测定.使用燃烧发射光谱法 www.mapeng.net 7. Characterization of Dinosaur Fossils and Their Surrounding Rocks by Atomic Emission Spectrometry and X-Ray Powder Diffractometry 原子光谱和X射线衍射研究禄丰恐龙化石与围岩特征 www.ilib.cn 8. Investigation of Dielectric Barrier Discharge in Air for Materials Surface Modification by Optical Emission Spectrometry 用于材料表面改性的空气介质阻挡放电发射光谱研究 ilib.com.cn 9. Animal feeding stuffs - Determination of potassium and sodium contents - Methods using flame-emission spectrometry 动物饲料.钾和钠含量的测定.火焰发射分光光度测定法 www.mapeng.net 10. Determination of Potassium and Sodium in High Purity Tungsten Powder by Ion-Exchange Chromatography-Flame Atomic Emission Spectrometry 离子交换色谱-火焰发射光谱法测定高纯钨粉中痕量钾和钠 www.ilib.cn 1. Interface for Coupling Capillary Electrophoresis with Hydride Generation Inductively Coupled Plasma Atomic Emission Spectrometry 毛细管电泳氢化物发生等离子体原子发射光谱联用的接口设计 www.ilib.cn 2. Determination of Trace Lead in Unleaded Gasoline by Microwave Digestion-Microwave Plasma Torch Atomic Emission Spectrometry 微波消解-微波等离子体炬原子发射光谱法测定无铅汽油中痕量铅的研究 www.ilib.cn 3. Test Method for Determination of Contaminants in Gas Turbine and Diesel Engine Fuel by Rotating Disc Electrode Atomic Emission Spectrometry 采用旋转圆盘电极原子发射光谱法测定气体涡轮机和柴油机燃料中的杂质的试验方法 www.isres.com 4. Determination of Silver, Boron, Tin, Molybdenum and Lead in Geochemical Exploration Samples by Emission Spectrometry 发射光谱法测定勘查地球化学样品中银硼锡钼铅 www.ilib.cn 5. Study on depth profile analysis of the coating of colored steel strips by glow discharge optical emission spectrometry 彩涂钢板涂镀层的辉光放电发射光谱逐层分析方法研究 www.ilib.cn 6. direct current glow discharge emission spectrometry ; co-linear method ; boron ; different matrixes 直流辉光放电发射光谱法;共线法;硼;不同基体; www.airitilibrary.com 7. Repeatability and Reproducibility Research on Carbon in Low-Alloy Steel Analyzed by Spark Source Atomic Emission Spectrometry 火花源原子发射光谱仪分析低合金钢中碳的重复性和再现性研究 ilib.cn 8. Determination of calcium and lithium in lubricating grease by non-complete digestion-flame atomic emission spectrometry 非完全消化-火焰原子发射光谱法测定润滑脂中钙、锂 www.ilib.cn 9. Study on simultaneous determination of multi-element in superalloy by glow discharge optical emission spectrometry 辉光光谱法同时测定高温合金中多元素的研究 www.ilib.cn 10. Discussion about adjustment and technique acceptance of spark source atomic emission spectrometry 火花源原子发射光谱仪调试与技术验收探讨 ilib.cn 1. Quantitative depth profile analysis of tinplate with glow discharge optical emission spectrometry 镀锡钢板辉光放电发射光谱法定量深度分析研究 www.ilib.cn 2. Evaluation and Application of Uncertainty in Measurement of Emission Spectrometry Analytics 发射光谱分析法测量不确定度的评定与应用 www.ilib.cn 3. Trace analysis of materials by solid sampling electrothermal atomic absorption and inductively coupled plasma optical emission spectrometry 固体进样电热原子吸收和电感耦合等离子发射光谱法对材料的痕量分析 wenku.baidu.com 4. Determination of Metal Elements in Soybean Products by Microwave Plasma Torch Atomic Emission Spectrometry 微波等离子体炬原子发射光谱法测定豆制品中的金属含量 168.160.184.78 5. Simultaneous Determination of Calcium and Strontiumin Brine by Tungsten Coil Electrothermal Atomic Emission Spectrometry 钨丝电热原子发射光谱法同时测定卤水中的钙和锶 www.ilib.cn 6. Atomic Emission Spectrometry Qualitative Analysis 原子发射光谱定性分析 202.117.109.130 7. Comparison of Flame Atomic Absorption and Flame Emission Spectrometry to Determining Lithium in Mineral Water 用原子吸收和火焰发射光谱法测定矿泉水中锂 www.ilib.cn 8. Determination of Calcium and Barium in Lube Additives by Emulsion Sampling-Flame Atomic Emission spectrometry 测定润滑油添加剂中钙钡的乳浊液进样-火焰原子发射光谱法 service.ilib.cn 9. Speciation of Iron Using Capillary Electrophoresis Inductively Coupled Plasma Atomic Emission Spectrometry 毛细管电泳电感耦合等离子体原子发射光谱法分析铁的形态 www.ilib.cn 10. Determination of metallic impurities in nuclear fuels by optical emission spectrometry with inductively coupled plasma excitation 用耦合等离子激发感应的光学发射光谱法测定核燃料中的金属杂质 www.mapeng.net 1. Application of Flow Analysis Technique to Microwave Plasma Torch Atomic Emission Spectrometry 流动分析技术在微波等离子体炬原子发射光谱分析中的应用 service.ilib.cn 2. Internal Standard Compensation for Interference of Sodium Matrix in Inductively Coupled Plasma Atomic Emission Spectrometry 端视等离子体原子发射光谱法中内标法校正钠基体干扰 service.ilib.cn 3. Standard Test Method for Determination of Additive Elements in Lubricating Oils by Inductively Coupled Plasma Atomic Emission Spectrometry 用感应耦合等离子体原子发射光谱法测定润滑油中附助成分的标准试验方法 www.isres.com 4. Determination of Calcium Content of Salt Lakes Brine by Flame Atomic Absorption and Flame Emission Spectrometry 火焰原子吸收和发射光谱法测定盐湖卤水中的钙 www.ilib.cn 5. Determination of Trace Elements in Oxytropis Ochrocephala Bunge by Inductively Coupled Plasma Atomic Emission Spectrometry 电感耦合等离子体光谱法测定黄花棘豆中微量元素 ilib.cn 6. The Application of the Magnetic Water Technology to Inductively Coupled Plasma-Atomic Emission Spectrometry 磁化水技术在电感耦合等离子体-原子发射光谱法中的应用 www.ilib.cn 7. Application of control chart in the analytical control process by spark source atomic emission spectrometry 控制图在火花源原子发射光谱分析过程控制中的应用 www.ilib.cn 8. Determination of Kalium in Husked Seed Food by Suspension Sampling-Flame Atomic Emission Spectrometry 悬浮液进样-火焰原子发射光谱法测定米类粮食中的钾 ilib.cn 9. Test Method for Analysis of Aqueous Leachates from Nuclear Waste Materials Using Inductively Coupled Plasma-Atomic Emission Spectrometry 使用电感耦合等离子-原子发射光谱法对核废料中浸出液分析试验方法 www.isres.com 10. Standard Test Method for Chemical Analysis of Refined Gold by Direct Current Plasma Emission Spectrometry 用直流等离子发射光谱法进行精炼金化学分析的标准试验方法 www.chinastandard.com.cn 1. Determination of Au, Pt and Pd by Atomic Emission Spectrometry After Separation and Enrichment with Polyamide 聚酰胺分离富集发射光谱法同时测定金、铂和钯 scholar.ilib.cn 2. Determination of micro impurity elements in pure copper by spark source atomic emission spectrometry 火花源原子发射光谱法分析纯铜中的杂质元素 ilib.cn 3. Application of Glow Discharge Emission Spectrometry to Metal Materials Analysis 辉光放电光谱分析技术在金属材料分析中的应用 www.ilib.cn 4. Determination of six trace elements in human hair by microwave plasma torch atomic emission spectrometry 微波等离子体炬原子发射光谱法测定人发中的六种微量元素 www.ilib.cn 5. Multi-Element Determination in Chalcopyrite by Inductively Coupled Plasma Atomic Emission Spectrometry 电感耦合等离子体发射光谱法直接测定黄铜矿中多元素 www.ilib.cn 6. Determination of Silicon, Iron and Copper in Aluminum-Silicon Bonding Wire by Inductively Coupled Plasma Atomic Emission Spectrometry 电感耦合等离子体发射光谱法测定键合用硅铝丝中硅铁铜 www.ilib.cn 7. Analysis of arsenic, lead, antimony and tin in steel by glow discharge optical atomic emission spectrometry 钢中砷、铅、锑、锡的辉光放电原子发射光谱分析 ilib.cn 8. On the Multimedia Courseware for Use in Atomic Emission Spectrometry Course Developed by Ourselves 原子发射光谱法多媒体课件的自行开发和研究 hggdjy.nextage.cn 9. Microanalysis of Precious Metals with Atomic Emission Spectrometry 用发射光谱分析法检测微量贵金属 www.ilib.cn 10. Application of inductively coupled plasma-atomic emission spectrometry for analysis of impurity elements in lubricating oil 电感耦合等离子体原子发射光谱法在润滑油杂质元素分析中的应用 ilib.cn 1. Direct Determination of Strontium in Mineral Water by Flame Atomic Emission Spectrometry 火焰原子发射光谱法直接测定矿泉水中锶 www.ilib.cn 2. Determination of Trace Elements in Natural Grapestone by Inductively Coupled Plasma Atomic Emission Spectrometry 电感耦合等离子体发射光谱法同时测定野生葡萄籽中多元素的方法研究 ilib.cn 3. Determination of Residual Palladium in Medicine by Inductively Coupled Plasma-Atomic Emission Spectrometry 药品中残留钯的电感耦合等离子体发射光谱法测定 ilib.cn 4. Determination of Tantalum in Geological Samples by Inductively Coupled Plasma Atomic Emission Spectrometry 电感耦合等离子体原子发射全谱直读光谱仪测定地质样品中的钽 service.ilib.cn 5. Detection of soil readily available potassium by atomic emission spectrometry 应用原子吸收光谱仪发射法检测土壤速效钾 www.ilib.cn 6. Determination of carbon and silicon in silicon steel by spark source atomic emission spectrometry 硅钢中碳和硅的火花源原子发射光谱分析 ilib.cn 7. Determination of Carbon and Sulfur in Low and Middle Alloy Steel by Electro-Optical Emission Spectrometry 中低合金钢碳硫的光电光谱法测定 ilib.cn 8. Determination of hafnium in zirconium with atomic emission spectrometry 锆中铪的原子发射光谱分析法 168.160.184.82:8080 9. Determination of Magnesium in Drinking Water by Flame Atomic Emission Spectrometry 饮用水中镁的火焰原子发射光谱测定法 www.ilib.cn 10. Detection of microelements in ryegrass by ion-coupled plasma atom emission spectrometry 等离子发射光谱法测定黑麦草中微量元素 www.ilib.cn 1. Determination of Trace Cesium in Stream Sediments by Flame Atomic Emission Spectrometry 火焰发射光谱法测定水系沉积物中痕量铯 www.ilib.cn 2. Determination of Impurity Elements in High Purity Gallium by Inductively Coupled Plasma Atomic Emission Spectrometry 电感耦合等离子体光谱法测定高纯镓中的痕量元素 ilib.cn 3. Water quality; determination of sodium and potassium; part 3: determination of sodium and potassium by flame emission spectrometry 水质.钠和钾的测定.第3部分:用火焰发射光谱法测定钠和钾 www.mapeng.net 4. Flame Atomic Emission Spectrometry for Measurement of Potassium and Sodium Contents of Milk 火焰原子发射光谱测定牛奶中的钾、钠 service.ilib.cn 5. Study on stability of analytical results for spark source atomic emission spectrometry 火花源原子发射光谱分析结果稳定性研究 ilib.cn 6. Assaying Microelement in Beer with Plasma-atomic Emission Spectrometry 等离子发射光谱法测定啤酒中的微量元素 service.ilib.cn 7. Indirect Determination of Chlorine Content in Coal by Inductively Coupled Plasma Atomic Emission Spectrometry 电感耦合等离子体发射光谱法间接测定煤中氯 ilib.cn 8. Determination of Trace Niobium and Tantalum in Rock Sample by Atomic Emission Spectrometry 发射光谱法测定矿样中的铌和钽 www.ilib.cn 9. Determination of micro antimony in steel by spark source atomic emission spectrometry 火花源原子发射光谱仪分析钢中微量锑 ilib.cn 10. Determination of multi-elements in iron and steel by spark source atomic emission spectrometry 火花源原子发射光谱法测定钢铁中多元素 ilib.cn 1. Depth profiling of TiN and zinc coatings on steel with glow discharge atomic emission spectrometry 镀TiN和镀锌钢板的辉光放电原子发射光谱深度轮廓分析 www.ilib.cn 2. Determination of micro hafnium in zirconium alloy by inductively coupled plasma-atomic emission spectrometry 电感耦合等离子体原子发射光谱法测定锆合金中微量铪 ilib.cn 3. Determination of trace thorium in uranium dioxide by inductively coupled plasma-atomic emission spectrometry 电感耦合等离子体原子发射光谱法测定二氧化铀中痕量钍 www.ilib.cn 4. Quick Determination by Atomic Emission Spectrometry 对光谱快速定量分析的探讨 www.ilib.cn 5. fire assay; determination by emission spectrometry; 金;小试金;发射光谱法测定; dictsearch.appspot.com 6. Determination of Lead in Wine by Microwave Plasma Torch Atomic Emission Spectrometry 微波等离子体炬原子发射光谱法测定葡萄酒中的铅 www.ilib.cn 7. Determination of micro calcium in steel by spark source atomic emission spectrometry 火花源原子发射光谱仪分析钢中的微量钙 ilib.cn 8. Determination of Micro-Elements in Couplers by Inductively Coupled Plasma Atomic Emission Spectrometry 电感耦合等离子体发射光谱法定量测试成色剂中的锰等微量金属元素 ilib.cn 9. Determination of Trace Impurities in High-purity Metal Tin by Inductively Coupled Plasma Atomic Emission Spectrometry 电感耦合等离子体发射光谱法测定高纯金属锡中痕量杂质元素 ilib.cn 10. Determination of trace arsenic and antimony in cerium ores by inductively coupled plasma-atomic emission spectrometry 电感耦合等离子体原子发射光谱法测定铈矿中微量的砷、锑 ilib.cn 1. A Flame Emission Spectrometry Method for Determination of Rubidium and Cesium in Bittern 火焰发射光谱法测定卤水中铷和铯 www.ilib.cn 2. Determination of Nitrogen in Steel Using Spark Emission Spectrometry 火花发射光谱仪测定钢中氮 www.ilib.cn 3. Application of spark source atomic emission spectrometry in analysis 火花源原子发射光谱仪在现场检测中的应用探讨 ilib.cn 4. Determination of Trace Elements in Extract of Snake Venom by Inductively Coupled Plasma-Atomic Emission Spectrometry 电感耦合等离子体原子发射光谱法测定蛇毒提取物中的微量元素 www.ilib.cn 5. Atomic Emission Spectrometry Determination of Au, Pt and Pd after Separation and Enrichment by Hyperbranched Polymer 超支化聚合物吸附金、铂和钯及化学光谱行为的研究 www.ilib.cn 6. Study on the analysis of middle-low alloy steels by dc-glow discharge optical emission spectrometry 中低合金钢的辉光放电发射光谱分析研究 www.ilib.cn 7. Determination of Natrium in Naphtha by Flame Atomic Emission Spectrometry 火焰原子发射法测定石脑油中钠含量 service.ilib.cn 8. Determination of trace tellurium in pure silver by inductively coupled plasma-atomic emission spectrometry 电感耦合等离子体原子发射光谱法测定纯银中痕量碲 www.ilib.cn 9. Determination of Silicon and Iron in Magnesite by Atomic Emission Spectrometry 原子发射光谱法测定镁砂中的硅和铁 service.ilib.cn 10. Standard Test Method for Nickel on Steel for Porcelain Enameling by X-Ray Emission Spectrometry X射线光谱测定法测定搪瓷用钢制品表面镍沉积量的试验方法 www.crlky.cn 1. Determination of trace elements in maifanite with outer cover electrode atomic emission spectrometry 麦饭石中微量元素的加罩电极光谱分析 www.ilib.cn 2. Determination of sulfur and phosphorous in glass by inductively coupled plasma emission spectrometry 电感耦合等离子体发射光谱法同时测定玻璃中的硫和磷 www.ilib.cn 3. Standard Test Method for Analysis of Cast Iron Using Optical Emission Spectrometry 使用光学发射光谱测定法对铸铁进行分析的试验方法 bbs.zjcad.com 4. Analysis of Calcium in Steel by Photoelectric Emission Spectrometry 光电光谱法分析钢中钙 www.ilib.cn 5. Determination of Trace Aluminium in Rat Brain by Inductively Coupled Plasma Optical Emission Spectrometry 等离子体发射光谱法测定大白鼠脑组织中的铝 service.ilib.cn 6. Determination of Platinum in Serum and Tissues by Inductively Coupled Plasma-Atomic Emission Spectrometry 电感耦合等离子发射光谱法测定血清及组织中铂类药物 www.ilib.cn 7. Determination of Seven Elements in Human Hair Sample by Emission Spectrometry 发射光谱法测定人发样品中七种元素 www.ilib.cn 8. Analysis of stainless steel wire by spark source atomic emission spectrometry 不锈钢线材的火花源原子发射光谱分析 ilib.cn 9. inductively coupled plasma atomic emission spectrometry; 电感耦合等离子体发射光谱; www.chemyq.com 10. Information System for Inductively Coupled Plasma Atomic Emission Spectrometry 电感耦合等离子体原子发射光谱分析信息系统 www.ilib.cn 1. Simultaneous Determination of 15 Elements in Sedimentary Rock Samples by Inductively Coupled Plasma-Atomic Emission Spectrometry 电感耦合等离子体原子发射光谱法同时测定沉积岩中15个元素 www.ilib.cn 2. Qualitative method of atomic emission spectrometry 原子发射光谱定性分析方法 ce.sysu.edu.cn 3. Determination of Total Sulfur in Coal by Inductively Coupled Plasma Atomic Emission Spectrometry 等离子发射光谱法测定煤中总硫的方法研究 ilib.cn 4. Determination of Trace Cesium in Water by Flame Emission Spectrometry 火焰发射光谱法测定水中痕量铯 www.ilib.cn 5. Study on analysis of cast iron by glow discharge optical emission spectrometry 辉光放电光谱法快速分析生铸铁的研究 www.ilib.cn 6. Determination of Boron in Plant by Inductively Coupled Plasma Atomic Emission Spectrometry 电感耦合等离子发射光谱法测定植株中的硼 www.ilib.cn 7. Basic principle of Atomic emission spectrometry 第一节原子发射光谱分析基本原理 web.hstc.edu.cn 8. Analysis of Cast Iron by Glow-Discharge Atomic Emission Spectrometry 辉光放电原子发射光谱法快速分析生铸铁 www.ilib.cn 9. Determination of trace As, Sb, Bi, Sn and Pb in steel and pig iron by inductively coupled plasma-atomic emission spectrometry 电感耦合等离子体原子发射光谱法测定碳钢及生铁中痕量砷锑铋锡铅 ilib.cn 10. Determination of trace iodine with inductively coupled plasmaatomic emission spectrometry 电感耦合等离子体原子发射光谱技术分析痕量碘 ilib.cn 1. Study on Excitation Source of the Flame-arc Atomic Emission Spectrometry 火焰-电弧原子发射光谱光源研究 www.ilib.cn 2. The Absorption of CaO to Waste Gas from Plasma Etching. By Emission Spectrometry 发射光谱法研究CaO对等离子体刻蚀废气的吸收作用 www.ilib.cn 3. Study on analysis of high Cr cast iron by spark source atomic emission spectrometry 高铬铸铁的火花源原子发射光谱分析方法研究 ilib.cn 4. Study on the Measuring Error of Internal Standard Methodof Atomic Emission Spectrometry 原子发射光谱内标法测量误差的研究 www.ilib.cn 5. Determination of micro lead in 3003 aluminium alloy by spark source atomic emission spectrometry 火花源原子发射光谱法测定3003铝合金中的微量铅 ilib.cn 6. Determination of 14 impurity elements in pure gold by spark source atomic emission spectrometry 火花源原子发射光谱法测定纯金中14种杂质元素 www.ilib.cn 7. Determination of 14 Elements in Coal Ash by Microwave Digestion and Inductively Coupled Plasma Atomic Emission Spectrometry 微波消解和电感耦合等离子体发射光谱法同时测定煤灰中的14种元素 ilib.cn 8. Zinc and zinc alloys -- Part 2: Analysis by inductively coupled plasma optical emission spectrometry 锌和锌合金—第2部分:用电感耦合等离子光发射光谱法分析 www.tsinfo.js.cn 9. The Analysis of 18 Impurity Elements in Pure Gold with DC ARC Emission Spectrometry 发射光谱法测定纯金中18个杂质元素 www.ilib.cn 10. The Development of Inductively Coupled Plasma Atomic Emission Spectrometry 电感耦合等离子体原子发射光谱的若干进展 ilib.cn 1. Determination of 15 Kinds of Impurity Elements in Vinylcyanide by Inductively Coupled Plasma Atomic Emission Spectrometry 丙烯腈中铁铜等15种杂质元素的电感耦合等离子体发射光谱法测定 ilib.cn |
随便看 |
英汉双解词典包含2704715条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。