| 单词 | 减数分裂 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 释义 | 减数分裂 —meiosis (in sexual reproduction)See also:分裂 n—division n • fragmentation n • fission n 分裂 v—split v • divide v • separatist v 分裂—schism • split up • break up 分数 n—mark n • point n
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虽然排卵前的促黄体素(LH)峰诱导卵母细 胞 减数分裂 恢 复 已成定论，但是参与该事件的各种过程非常复杂，因而还没有完全确定。 actazool.org | The induction of oocyte meiotic resumption by the [...] preovulatory luteinizing hormone (LH) surge is well established, however [...]the processes involved are complex and inadequately defined. actazool.org |
异源四倍体鲫鲤的成熟卵子处于第二 次 减数分裂 中 期 ，精子通过受精孔进入卵内。 actazool.org | Before the sperm entering the egg, the mature eggs of the allotetraploid fish remained at [...] the metaphase of the secondary maturation division. actazool.org |
结果表明：(1)减数分裂Ⅰ终 变期染色体标本是进行染色体显微操作的理想材料;(2)DOP-PCR扩增产物片段在200～1 [...] 000 bp之间，平均600 bp左右;(3)杂交结果显示，本研究所获得的单条染色体是黄鳝3号染色体;(4)与显微操作仪和微激光分离相比较，该方法不需要昂贵仪器，在常规实验室即可操作，具有广泛的普及应用意义。 actazool.org | The hybridization results show that: (1) [...] Chromosome specimen of meiosis Ⅰ diakinesis is [...]the ideal material for single chromosome [...]microisolation; (2) The sizes of DOP PCR products range from 200 bp to 1 000 bp, averagely 600 bp;(3) The single chromosome obtained in the study is rice field eel chromosome 3;(4) Compared with micro manipulator and micro laser beam, the methods developed in the study can be more widely used in ordinary laboratory for requiring no expensive instrument. actazool.org |
FSH可以明显促进次黄嘌呤(HX)抑制条件下的卵丘-卵母细胞复合体CEO卵母细胞成熟及卵丘扩展，其最佳作用剂量为100 IU/L，且FSH作用30分钟即可以使CEO获得恢 复 减数分裂 的 信 息。 actazool.org | The results revealed that FSH stimulated oocyte resumption of meiosis and cumulus expansion of cumulus cell-enclosed oocyte（CEO）in the presence of 4 mol/L [...] hypoxathine（HX）, with maximal effect [...] occurring at a dosage of 100 IU/L. The oocyte meiotic resumption [...]could be induced by 30 min FSH presentation. actazool.org |
三倍体湘云鲫在减数分裂过程 中出现二价体、单价体共存，同源染色体在配对和分离中出现紊乱，导致非整倍体生殖细胞的产生，为湘云鲫的不育性提供了染色体水平上的证据 [动物学报 51(1): 89 – 94，2005]。 actazool.org | The coexistence of bivalents and univalent in MⅠin triploid crucian carp resulted in the failure to form the normal mature gametes, providing the evidence on the chromosome level for the sterility of the triploids [Acta Zoologica Sinica 51(1): 89-94, 2005]. actazool.org |
关于骡不育以及个别母骡偶然生育的现象,历来存有争议,认为因亲本染色体歧异导致杂种不能进 行 减数分裂 的 理 论,否认骡生育的事实；而为母骡生育提出解释的理论则认为一定是母骡产生了只含单一亲本染色体组的卵子,回交后代已回归为马或驴。 actazool.org | Another theory explained the fecundity of female mules [...] in the way that the female mule must have produced oocyte containing [...]only a single parental set of chromosome, and the offspring from backcross would be horse (Equus caballus) or donkey (Equus asinus). actazool.org |
第一种假说认为，LH对颗粒细胞的刺激作用终 止 减数分裂 抑 制因子流向卵母细胞，从而使卵母细胞隔离这些抑制因子并进而促 使 减数分裂 恢 复 ，第二种假设认为LH刺激颗粒细胞产生一 种 减数分裂 诱 导信号，该信号进而克服或者破 坏 减数分裂 抑 制 因子的作用。 actazool.org | The second hypothesis is that LH stimulates the generation of a meiosis inducing signal by the granulosa cells that overcomes or destroys the meiosis arresting factor(s). actazool.org |
为了进一步探讨种间杂种生殖隔离现象的遗传机理,本研究采用性成熟公骡的睾丸为材料,制备组织切片 和 减数分裂 联 会 复合体标本进行观察,发现个别性腺发育较好的个体虽 然 减数分裂 存 在 大量异常,但确有少数精母细胞完成 了 减数分裂 并 产 生精子。 actazool.org | For further studying the genetic mechanism of the reproductive isolation phenomenon [...] of interspecific [...] hybrid, paraffin sections of testes from 13 sexually mature male mules (Equus asinus×Equus caballus) and 12 hinnies (Equus caballus×Equus asinus) were prepared, and the samples of Giemsa meiosis and AgNO3 synaptonemal complexes were observed and compared with spermatocyte meiosis of horse and donkey under light microscope [...]and electronic microscope. actazool.org |
因此，我们的结果证明，SACS培养系统可作为一种新型的体外培养系统， 使 减数分裂 前 期 小鼠胚胎细胞发育成熟 至 减数分裂 后 期并产生形态学正常的精子细胞。 asiaandro.com | Thus, our results demonstrate that SACS could be used as a novel in vitro system for the maturation of pre-meiotic mouse germ cells to post-meiotic stages and morphologically-normal spermatozoa. asiaandro.com |
具有四套染色体的异源四倍体鲫鲤在 减数分裂 中 只 形成100个二价体，而不形成25个四价体或其它形式，为产生稳定一致的二倍体配子提供了重要的遗传保障，也为人工培育的异源四倍体鲫鲤群体能够世世代代自身繁衍下去提供了重要的遗传学证据。 actazool.org | The 200 chromosomes the allotetraploids possessed only formed 100 bivalents during MⅠ, indicating that they were able to produce stably diploid gametes, maintaining the tetraploidy from one generation to the next one. actazool.org |
尽管存在这些挑战，冲突后局势也为消除冲突的根 本原因、弥合分裂、减少不 平等现象和加强国家-社会关系提供了重要机遇。 daccess-ods.un.org | Despite these challenges, post-conflict situations provide significant opportunities [...] to address the root causes of [...] conflicts, heal fragmentations, diminish inequalities [...]and strengthen State-society relations. daccess-ods.un.org |
<商业登记/>“获取信息虽然上市！ 这个应用程序是一个伟大的闪光的学习和实践此外卡项目 ， 减 ， 乘， 和 分裂。 cn.moba-app.com | This app is a great flash card program for learning and [...] practicing addition, subtraction, multiplication, and division. moba-app.com |
被减数的小数部分减去减数的小数部 分 得到 结果的小数部分。 analog.com | Subtract the fraction of the subtrahend from the fraction of [...] the minuend to produce the fraction of the result. analog.com |
集中与优先:联合国教科文组织应明确界定 少 数 具 有 无可争议领导地位的计划优先 项目来提升自身形象；许多代表团还建议加强该组织行动的一贯性和明显特征， 减少割裂，国 家派遣更集中，与合作伙伴的劳 动 分 工 更 有效，并将日落条款介绍 作为计划编制的原则之一 unesdoc.unesco.org | Coherence and less fragmentation, greater specificity in its action, a concentration in its country presence, a more effective division of labour with partners, and the introduction of sunset clauses as a programming principle were proposed by many delegations unesdoc.unesco.org |
杰里米管理的Aelita分裂奇数和猕 猴桃，而停用塔。 zh-cn.seekcartoon.com | Jeremy manages to split Odd and Kiwi while [...] Aelita deactivates the tower. seekcartoon.com |
按照经修订的编写定期报告的准则（ [...] CERD/C/2007/1）第10至12 段，委员 会建议缔约国向委员会提供资料，说明其人口结构，资料应按民族血统和族 裔分裂，并 提供不同群体经济情况的统 计 数 字 ， 据以评估他们的经济、社会 和文化状况以及其权利得到保护的程度。 daccess-ods.un.org | In accordance with paragraphs 10 to 12 of its revised reporting guidelines (CERD/C/2007/1), the Committee recommends that the State party provide information on [...] the composition of [...] its population, disaggregated by national and ethnic origin, as well as statistical data on the socio-economic [...]situation of the various [...]groups, to enable the Committee to evaluate their situation in economic, social and cultural terms and the level of protection of their rights. daccess-ods.un.org |
为确保所有活动按氟氯烃淘汰管理计划的规划进行，并确保与牵头执行机构和合作 执行机构密切协作，列入了项目的执行和监测 部 分 ， 以便监测执行氟氯烃淘汰管理计划的 成效（包括氟氯烃的削减数量），以及衡量培训和援助方案对于整体淘汰战略的影响。 multilateralfund.org | In order to ensure that all activities are taking place as planned in the HPMP and to ensure close collaboration between the Lead IA and Cooperating IA, a [...] project implementation and [...] monitoring component is included, to monitor effectiveness of implementation of the HPMP (including reductions of HCFC consumption [...]levels), and to measure [...]the impact of training and assistance programmes on the overall phase-out strategy. multilateralfund.org |
分析那 些发展中国家参会减少的会议，主席指出官方邀请函迟发似乎是导致参会 人数减少的主要原因之一。 codexalimentarius.org | Drawing upon the analysis of such cases in which the participation of developing countries had decreased, the Chairperson indicated that the late availability of the official invitation letter seemed to be one of the main reasons for lower levels of participation. codexalimentarius.org |
该控件可创建绑定和非绑定 Grid应用程序，该程序拥有快速的数据存取 和 数 据 演示 如 分裂 、 分 组 、 过滤和自定义的导航功能。 evget.com | True DBGrid provides splits, grouping, filtering, exporting, [...] printing, customized navigation, and more. evget.com |
各种人权和自由是相辅相成的，要么赋予人民所有这些权利和自由，要么 克减和割裂这些权利和自由，或承认其中某些权利和自由而剥夺其他权利和自 由，如果是前者，我们就肯定这些权利是存在的，如果是后者，那实际上意味着 不存在任何权利，因为存在的那部分 权 利 将是无用和没有价值的。 daccess-ods.un.org | The various human rights and freedoms are complementary and must either be granted to individuals in full, in which case we can affirm that those rights exist; or they are diminished and divided, or some are recognized while others are denied, which in practice means that no rights exist, given that those that do are useless and devoid of value. daccess-ods.un.org |
专业（P）级人员妇女比例也显著增加（从 46%增至 51%）； 自 2000 年以来，高级管理级别（D 级及以上）的妇女人数略有增加（从 22% 增至 23%）；然而，同期主任级人员减少了 三 分 之 一 以上（自 2000 年 6 月以 来减少了 53 人），男性/女性主任的人数减少的 比例相同。 unesdoc.unesco.org | the number of women at senior management levels (D and above) has slightly increased since 2000 (from 22% to 23%); however, over the same period, [...] the number of Directorlevel [...] staff has decreased by more than one third (-53 since June 2000), with the number of Director men/women reducing in similar proportions. unesdoc.unesco.org |
禁产条约规定削减可用于 核武器的裂变材料的数量， 因此将是实现不可逆转的核裁军的关键一步。 daccess-ods.un.org | By capping the amount of fissile material available for nuclear weapons, an FMCT would provide an essential step towards irreversible nuclear disarmament. daccess-ods.un.org |
现采用750℃×14min盐浴加热淬火，200℃回火处理后，可以得到细小的片状马氏体和50%(体 积 分数 ) 以 上的低碳马氏体 ， 减 少 了显 微 裂 纹 ，在保证高硬度的同时，具有较高韧性，从而提高使用寿命近一倍。 whmould.com | Now using 750 degrees Celsius (14min salt bath heating quenching, 200 ° c, can be tempered [...] martensite small flakes and [...] 50% (volume fraction) above the low carbon martensite, reduced microcrack, ensure high [...]hardness, high toughness, [...]thereby improving longevity nearly doubled. whmould.com |
因此，缔结一项禁产裂变材料条约，使全球可用于制造核武器的 裂变材料数量不再增加，是减少核 攻击危险的重要一步。 daccess-ods.un.org | Therefore, a fissile material cut-off treaty, which would cap the amount of fissile [...] material available globally for nuclear weapons, is an [...] important step we can take toward reducing the danger of nuclear attack. daccess-ods.un.org |
叶片中央裂片狭菱形，3半裂； 不相等的侧面裂片2半裂或2分开； 第三的裂片不裂或具小裂片1或2； 末级小裂片多数线形 ，有时，2-3.5毫米宽。 flora.ac.cn | Leaf blade central lobe narrowly rhombic, 3-cleft; [...] lateral lobes [...] unequally 2-cleft or 2-parted; tertiary lobes undivided or 1- or 2-lobulate; ultimate lobules mostly linear, sometimes [...]lanceolate, 2--3.5 mm wide. flora.ac.cn |
在过去的 7 年中，巴西具有创新精神的 南南合作方案的财政部分已增 加两倍，巴 西 分 享 了 该国在长达十年的努力中取得 的以下方面经验：(a) 生活在极端贫困中的人数减少了 2 400 万，即减少了 66%； (b) 营养不良现象减少了 25%；(c) 成人教育水平提高了 30%；(d) 就业率提高 了 25%。 daccess-ods.un.org | In the past seven years, the [...] financial component of the innovative South-South cooperation programme of Brazil has tripled as the country shared experience gained in a decade-long national effort that (a) reduced by [...]24 million the number of people [...]living in extreme poverty, a 66 per cent decrease; (b) cut malnutrition by 25 per cent; (c) increased adult education levels by 30 per cent; and (d) raised employment by 25 per cent. daccess-ods.un.org |
将通过应对避孕、计划生育和生殖健康方案 方面未能满足的需要，防止 5 400 万次意外怀孕；力求实现 35%现代避孕普及率， 每年平均增长 2 个百分点；将 18 岁以下首次分娩母亲的人数减少 20%。 daccess-ods.un.org | By addressing an unmet need for contraception, family planning and reproductive health programmes will prevent 54 million unintended pregnancies; seek to achieve a modern contraceptive prevalence rate of 35 per cent, reflecting an average 2 percentage point increase annually; and reduce the number of first births by women under 18 years of age by 20 per cent. daccess-ods.un.org |
此外，对于今后进一步削减核储存乃至最终 削 减 至 零 而言，控 制 裂 变 材 料的 数量也有可能发挥越来越重要的作用。 daccess-ods.un.org | Looking further into the future [...] towards the goal of reducing nuclear stockpiles to ever lower numbers — and eventually to zero — controls on fissile material are [...]likely to play an increasingly important role. daccess-ods.un.org |
尽管有这些挑战，但已证 实有 113 名儿童被以下武装部队和团体招募：自由派和改革武装运动(从正义与 平等运动和苏丹解放军/阿卜杜勒·瓦希德 派 分裂 出 来 的团体)、边境情报部队、 乍得武装反对集团、社区警务部队、警察部队、民防军、苏丹解放军/Abu Gasim 派、苏丹解放军/历史领袖派(苏丹解放军/阿卜杜勒·瓦希德 派 分裂 团 体 )、苏丹 解放军/阿卜杜勒·瓦希德派、苏丹武装部队以及不知名的武装团体。 daccess-ods.un.org | Notwithstanding these challenges, 113 children were confirmed to have been recruited by the following armed forces and [...] groups: Armed Movement of [...] Liberals and Reform (splinter group of JEM and SLA/Abdul Wahid), Border Intelligence Forces, Chadian armed opposition groups, community policing forces, police forces, Popular Defence Forces, SLA/Abu Gasim, SLA/Historical Leadership (splinter group of SLA/Abdul Wahid), [...]SLA/Abdul Wahid, [...]Sudanese Armed Forces and unknown armed groups. daccess-ods.un.org |
双方商定将弹头总数减少三分之一 (《削减战略武器条约》规定的上 限为 2 200 件)，将战略运载工具的总数削减一半以上(《第一阶段裁武条约》所 规定的上限为 1 600 件，《削减战略武器条约》对运载工具没有限制)。 daccess-ods.un.org | The parties have agreed [...] to cut their aggregate number of warheads by one third (the “ceiling” under the Treaty [...]on Strategic Offensive [...]Reductions was 2,200 warheads) and to reduce the limit for strategic delivery vehicles by more than half (under START I the ceiling was 1,600, while the Treaty on Strategic Offensive Reductions placed no limits on them). daccess-ods.un.org |
英汉双解词典包含2273206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。