单词 | CFST | ||||||||||||
释义 | CFST
更多释义 收起释义 例句释义: 钢管混凝土拱桥 1. Dumbbell-shaped section is often used in concrete filled steel tubular (CFST) arch rib. 哑铃型截面是钢管混凝土拱肋常用的截面形式。 www.juyy.net 2. The fire resistance behaviour and design of CFST columns are one of the key issues in practice due to the steel tube being exposed to air. 因钢管外露,钢管混凝土柱的抗火性能与设计是其在工程实践中的关键问题之一。 www.boshuo.net 3. The large-span CFST arch bridge is developing rapidly in recent years due to its elegant appearance and economical span. 大跨径钢管混凝土拱桥以其优美的造型和经济的跨径,近年来得到了迅速的发展。 www.fabiao.net 4. However, the theoretical study is also lagging behind in the engineering practice, the calculation model of CFST arch rib is one of them. 然而其理论研究还相对滞后于工程实践,钢管混凝土拱肋计算模式就是其中之一。 www.13191.com 5. CFST (concrete-filled steel tubular) columns are widely used in practical engineering for its excellent working performance. 钢管混凝土组合柱在实际工程应用中有其优良的工作和施工性能。 www.ceps.com.tw 6. Therefore, when subjecting to eccentric force , earthquake or wind, CFST columns are always in the condition of sheared. 但是,当钢管混凝土柱在受偏心力、地震或风等作用时,很容易处于受剪的受力状态。 www.boshuo.net 7. A nonlinear finite element analysis method for seismic calculation was presented and an CFST arch bridge was analyzed. 提出了钢管混凝土拱桥在地震作用下的非线性分析方法,并对实桥进行了分析。 www.keyanjijin.cn 8. Because of the Concrete-Filled Steel Tubular (CFST)'s superior working capability, it has been widely used in building engineering. 钢管混凝土由于其优越的工作性能目前已经得到广泛的工程应用。 www.fabiao.net 9. And as the span of the CFST arch- bridge becomes larger and larger, The uniform excitation cannot satisfy the anti - seismic checking. 并且随着工程与科学技术的发展和实际工程的需要,钢管混凝土拱桥的跨度越来越大,单纯的一致激励已经不能满足工程抗震的需要。 dictsearch.appspot.com 10. Summarily, the variable stiffness base isolator with CFST short columns has good prospects in engineering practice. 提出钢管混凝土短柱隔震结构在工程应用将有很好的发展前景。 www.ceps.com.tw 1. The whole procedure of static failure for al large-sp anh alf-through CFST (Concrete filled steel tube) arch bridge was discussed. 本文讨论了一大跨中承式钢管混凝土拱桥在设计荷载工况作用下的静力失稳全过程。 www.showxiu.com 2. The concrete filled steel tube (CFST) arch-bridge has widely engineering application because of its good structural characteristics. 钢管混凝土拱桥因为其优秀的结构特性在工程界中得到越来越多的广泛应用。 www.ceps.com.tw 3. This work is a base for the further researches on the nonlinear finite element analysis of CFST in fire. 本文的研究工作可为火灾下圆钢管混凝土柱非线性有限元分析创造条件。 www.ceps.com.tw 4. The behaviour of CFST members subject to shearing still needs to be studied deeply. And it is very important in engineering practice. 深入研究钢管混凝土构件受剪状态下的工作性能有非常重要的工程意义。 www.boshuo.net 5. CFST bearing compression bending and eccentric bending is common in the actual project. 实际工程中,钢管混凝土承受压弯和偏心受弯是很常见的。 paper.pet2008.cn 6. Half-through CFST arch bridges have widely used as a newly bridge. 中承式钢管混凝土拱桥作为一种新型的桥梁型式应用广泛。 www.caesv.cn 7. Based on the experimental study, a fiber material model of stress-strain relation of eccentrically loaded CFST column was proposed. 在钢管混凝土偏压构件试验研究的基础上,提出了钢管混凝土应力-应变关系的纤维单元模型; www.keyanjijin.cn 8. Other test parameters include the level of axial load in the CFST column, the load level in the RC beam and the beam-column stiffness ratio. 其他测试参数包括水平轴向载荷作用下的钢管混凝土柱、水平荷载下的钢筋混凝土梁和框架梁柱的刚度比。 www.wenkuwu.com 9. Because of its unique advantages, concrete filled steel tubular (CFST) arch bridge is widely used. 钢管混凝土拱桥以其独特的优点,在公路和铁路桥梁工程中广泛采用。 www.13191.com 10. Experiments on dumbbell shaped concrete filled steel tubular (CFST) flexural member is carried out. 进行哑铃形钢管混凝土受弯构件的试验。 www.ceps.com.tw 1. Concrete-filled double skin steel tube (CFDST) is a new type of concrete-filled steel tube (CFST) and it has well applied perpective. 中空夹层钢管混凝土是一种新型钢管混凝土构件,具有良好的应用前景,研究其耐火性能和抗火设计方法非常重要。 www.dictall.com 2. Experiments on CFST arch and hybrid arch of steel tube and CFST under unsymmetrical two concentrically in-plane loads were carried out. 对钢管混凝土拱和钢管-钢管混凝土复合拱进行面内两点非对称加载试验。 www.dictall.com 3. A CFST arch model on the shaking table was tested in order to investigate its seismic performance and collapse mechanism. 进行了钢管混凝土模型拱的振动台试验,以了解其在地震作用下的特性与结构破坏机理; www.keyanjijin.cn 4. The chapter 3 introduces the erection technique of CFST arch bridge. 第3章介绍了钢管混凝土拱桥的主要成桥施工技术; www.fabiao.net 5. In this paper, we put forward a method to evaluate the safety of CFST Arch Bridge based on GIS. 本文提出了基于GIS的钢管混凝土拱桥安全性评价方法,并应用于工程实际,取得了一定的成果。 www.showxiu.com 6. Taking a 35 floors building with CFST as an example, the calculation steps of the formula is given. 5 figs, 6 refs. 以35层商住楼钢管混凝土结构实际工程为算例,介绍了节点偏心受压承载力公式的应用方法。 www.magsci.net 7. With the development of CFST (concrete filled steel tube) in arch bridge, bridge has being widely applied in China. 随着钢管混凝土在拱桥中的应用,梁拱组合桥在我国得到了广泛的应用。 www.zidir.com 8. Static loading tests of 35 specimens were carried out to study the shear strength of concrete filled steel tube(CFST)columns. 为建立钢管混凝土柱的受剪承载力计算式,完成了35根试件的静力加载试验。 www.dictall.com 9. Design of New System of Suspending and Connecting for a CFST Arch Bridge with an Unusual Big Span 大跨度钢管砼拱桥新型缆吊拼装斜拉扣挂系统设计 ilib.cn 10. Experimental Investigation into Anti-Seismic Behavior of a Novel Interior Slab-CFST Column Connection 新型钢管混凝土板柱结构中柱节点抗震性能试验研究 www.ilib.cn 1. Influence of transverse braces arrangement on dynamic characteristics of a half-through CFST arch bridge 横撑布置形式对某中承式CFST拱桥动力特性的影响 www.ilib.cn 2. arch and girder combination bridges; CFST(Concrete Filled Steel Tube); Stability; finite element method; buckling; Nonlinear; 梁拱组合体系;钢管混凝土;稳定性;有限元;屈曲;非线性; www.zidir.com 3. Experimental study on earthquake response of a CFST column frame structure model 钢管混凝土柱框架结构模型地震反应试验研究 scholar.ilib.cn 4. Through the analysis and summary on calculating result, the factors which affect the critical impact energy of CFST were found out; 通过对计算结果的分析总结,探明了影响钢管混凝土构件临界冲击能的因素。 www.boshuo.net 5. Using Fuzzy-Neural Network to Evaluate the Load Bearing of the Long-span CFST Arch Bridge Based on Static Test 基于静力试验的大跨钢管拱桥承载力的模糊神经网络评价 ilib.cn 6. Considering the Material Non-linearity Analysis Theory of the Relative Glide of CFST Arch Bridge 考虑材料相对滑移的钢管混凝土拱桥非线性分析理论 www.ilib.cn 7. Genetic Searching for Optimized Closure State of CFST Arch Bridge Construction 钢管混凝土拱桥施工合龙合理状态的遗传搜索 www.ilib.cn 8. Construction Controlling of Suspending Placement in Steel Tubular Arch Truss Articulations of Yonghe CFST Arch Bridge 永和大桥钢管拱肋节段吊装施工控制 ilib.cn 9. Finite Element Analysis of Axial Compression Ratio and Confining Parameter on Seismic Response of CFST Frame Structure 轴压比和套箍系数对钢管砼框架结构地震反应影响的有限元分析 scholar.ilib.cn 10. Nonlinear Elastoplasticity Stability of CFST Column Subject to Compression 钢管混凝土受压柱弹塑性稳定极限承载力的非线性分析 service.ilib.cn 1. Finite element methods on ultimate load - carrying capacity of CFST dumbbell shaped short columns under axial loads 钢管混凝土哑铃型轴压构件极限承载力有限元分析 ilib.cn 2. The calculation of the lofting coordinate of the ring segments for the CFST arch bridges 钢管砼拱桥拱肋节段的放样坐标计算 www.ilib.cn 3. Mechanical characteristics analysis of the through CFST arch bridge 下承式钢管混凝土拱桥力学性能分析 www.ilib.cn 4. Research on Visual Simulation Computing System for CFST Arch Bridges Construction Control 钢管混凝土拱桥施工控制可视化仿真计算系统 service.ilib.cn 5. Influence of load conditions on mechanical behavior of CFST stub columns subjected to axial compression 受荷方式对钢管混凝土轴压短柱力学性能影响 www.ilib.cn 6. Analysis on stresses of dumbbell-shaped cross-section of CFST arch rib during concrete pouring construction 钢管混凝土哑铃形拱肋灌注混凝土时的截面应力分析 www.ilib.cn 7. Planar Dynamic Characteristics Analysis for Long-Span Semi-Supported CFST Arch Bridges 大跨度中承式钢管混凝土拱桥的面内动力特性分析 www.ilib.cn 8. Load bearing capacity test of suspension member transversal girder of CFST half-through arch bridge 钢管混凝土中承拱桥吊杆横梁受力性能分析 www.ilib.cn 9. Time-history Analysis on Seismic Response of Long-span CFST Arch Bridge under Different Excitations 不同激励下大跨度CFST拱桥地震反应时程分析 service.ilib.cn 10. Suspending Placement of Steel Tubular Arch Truss Articulations of CFST Arch Bridge with Large Span 大跨度钢管混凝土拱桥钢管拱桁架节段吊装 ilib.cn 1. Study on elastic dynamic stability of a CFST arch bridge 钢管混凝土拱桥弹性动力稳定性能研究 ilib.cn 2. Seismic behavior analysis of a 5-span continuous half-through CFST arch bridge 5跨连续中承式钢管混凝土拱桥抗震性能分析 www.ilib.cn 3. Comparison Study on Stability Behavior Between Steel Pipe Arch Bridge and CFST Truss Arch Bridge 钢管拱桥与钢管混凝土桁架拱桥的稳定特性比较研究 ilib.cn 4. Nonlinear Stability Analysis for Unsymmetric Large Span CFST Arch Bridge 非对称大跨度钢管混凝土拱桥非线性稳定性分析 ilib.cn 5. Space stability of Shenzhen Furong continuous CFST bowstring arch bridge 深圳市芙蓉大桥连续钢管拱系杆拱桥空间稳定性分析 www.ilib.cn 6. Geometric Nonlinear Analysis of the Rib-hoisting for CFST Arch Bridge 钢管混凝土拱桥拱肋吊装几何非线性分析 ilib.cn 7. Mechanics Analysis of Half-through CFST Arch Bridges with Different Bridge Deck Types 桥道系结构形式对中承式钢管混凝土拱桥受力影响分析 ilib.cn 8. Influence of initial geometry defect on ultimate bearing capacity of CFST arch bridge 初始几何缺陷对大跨钢管砼拱桥极限承载力的影响 scholar.ilib.cn 9. Analysis on vibration reduction of CFST arch bridge with damping braces in span direction 设置阻尼支撑对钢管混凝土拱桥纵桥向减震效果的分析 www.ilib.cn 10. The Role of Ultrasound Test Technology in Construction Quality Control in the CFST Arch Bridge 超声波检测在钢管砼桥梁施工质量控制中的作用 www.ilib.cn 1. Spatial Nonlinear Finite Element Analysis for Long-Span Trussed CFST Arch Bridge 大跨桁式钢管混凝土拱桥空间非线性有限元分析 scholar.ilib.cn 2. Analysis of the Ultimate Bearing Capability of CFST Rib Arch Bridge 钢管混凝土肋拱桥极限承载力分析 ilib.cn 3. Study on Construction Control Principle and Arithmetic of CFST Arch Bridge 钢管混凝土拱桥施工控制原理与控制分析算法研究 www.ilib.cn 4. Brief Introduction of Defects and Testing Methods on Concrete in the Arch Rib of CFST Arch Bridges 钢管混凝土拱桥拱肋混凝土缺陷及检测方法简介 www.ilib.cn 5. Analyses of dynamic characteristics of half-through CFST arch bridges 中承式钢管混凝土拱桥动力特性分析 www.ilib.cn 6. The numerical simulation of the temperature field of square CFST under non-uniform temperature 方形截面钢管混凝土非均匀受火温度场的数值模拟 168.160.184.82:8080 7. Protection of Arc Spray Al Coating and Large Area Long-term Anti-corrosion for CFST Arch Bridge 电弧喷铝涂层保护及桥梁大面积长效防腐 www.ilib.cn 8. The Bearing Capacity Calculating of the CFST Arch Bridges 钢管砼拱桥承载力计算 168.160.184.78 9. The Application Research of Orthogonal Experiment in CFST Mix Design 正交试验在钢管混凝土配合比设计中的应用研究 service.ilib.cn 10. FEM stress analysis of springing joint for CFST and rigid frame tied through arch bridge 下承式钢管混凝土刚架系杆拱桥拱脚有限元应力分析 www.ilib.cn 1. Internal Force Distribution in Steel Tube and Concrete of CFST Arched Bridge 钢管混凝土拱桥拱肋截面钢管和砼的内力分配问题 www.ilib.cn 2. Stress analysis of springing joint in composite bridge of CFST arch and tied girder 钢管混凝土拱梁组合桥拱脚结点应力分析 ilib.cn 3. Parametric Analysis of Static Stability of CFST Basket-type Arch Bridge 钢管混凝土提篮拱桥静力稳定的参数分析 ilib.cn 4. The theory and practice for construction control in large CFST arch bridges 大跨钢管砼拱桥施工控制的理论与实践 service.ilib.cn 5. A Calculation Method for Optimizing the Installation Process of CFST Arch Bridge 大跨度钢管混凝土拱桥吊装过程的优化计算方法 ilib.cn 6. Designing the CFST Column in Frame-supported Shear Wall Structures 钢管混凝土柱框支剪力墙结构应用的设计探讨 www.ilib.cn 7. The ratio of steel in concrete filled steel tube effect on the dynamic property of CFST arch bridge 含钢率对钢管砼拱桥动力特性的影响 ilib.cn 8. FEM Analysis of the Temperature Stress in CFST Tied Arch Bridge 钢管混凝土系杆拱桥温度应力的数值模拟分析 www.ilib.cn 9. Comparison of Arch Rib between Four-Tube CFST Arch Bridge and Six-Tube CFST Arch Bridge 钢管混凝土拱桥四管与六管拱肋之比较 service.ilib.cn 10. Nonlinear Seismic Response Analysis of Long-span CFST Arch Bridge 大跨度钢管混凝土拱桥非线性地震响应分析 ilib.cn 1. Structure Nonlinear Analysis of Long Span CFST Truss Arch Bridges 大跨度钢管混凝土桁式拱桥结构非线性分析 ilib.cn 2. Analysis on Concrete Pouring in CFST-Stay Combination Arch Bridge 钢管混凝土拉索组合拱桥内力影响线研究 www.ilib.cn 3. Three-Dimensional Seismic Responses of Long-Span CFST Arch Bridge 大跨度钢管混凝土拱桥空间地震反应分析 ilib.cn 4. Reliability analysis of long-span CFST narrow arch bridge's stability 大跨度钢管混凝土窄拱桥稳定性可靠度分析 www.ilib.cn 5. Load-Carrying Capacity of Flexural CFST Members Under Long-Term Loads 长期荷载作用下钢管混凝土受弯构件承载力的计算 www.ilib.cn 6. Application of SAINT-VENANT principle in analysis of CFST arch bridge 圣维南原理在钢管混凝土拱桥分析中的应用 service.ilib.cn 7. Study on construction control technique in the process of replacing suspender of CFST arch bridge 钢管砼拱桥吊杆更换施工控制技术 www.ilib.cn 8. The Probe of CFST Application in the Old Bridges'Reinforcement 钢管混凝土在旧桥加固中的应用探讨 www.ilib.cn 9. Plastic-coefficient method for space elasto-plastic ultimate load analysis of CFST arch bridge 钢管混凝土拱桥弹塑性极限承载力分析的截面内力塑性系数法 scholar.ilib.cn 10. Experimental study on semi-connected edge joint with core steel tube in CFST 芯钢管连接的钢管混凝土半连通边节点试验研究 service.ilib.cn 1. Individual bheavior of steel tube and concrete in CFST stub columns subjected to axial compression 圆钢管高强混凝土轴压短柱剥离分析 www.ilib.cn 2. Study on Calculating Methods of Dumbbell-shaped CFST Arch Bridge 哑铃型钢管混凝土拱桥的计算方法研究 www.ilib.cn 3. Nonlinear Buckling Analysis of CFST Arc Bridge Impacted By Wind Load 风荷载作用下的钢管混凝土拱桥非线性稳定性分析 www.ilib.cn 4. Nonlinear Stability Analysis of Large-span CFST Arch Bridge 大跨径钢管砼拱桥非线性稳定性分析 ilib.cn 5. Experimental Research and Site Test on the Double Beams CFST Joints 钢管混凝土双梁节点试验及现场测试 service.ilib.cn 6. Research on Concrete Creep Effect of CFST Arch Rib Concrete of Qiandao Lake Bridge 千岛湖大桥钢管混凝土拱桥拱肋混凝土徐变效应研究 www.ilib.cn 7. A calculation formula of design load of CFST member under standing load CFST构件考虑长期荷载作用的设计荷载计算公式 www.ilib.cn 8. Analysis of Cross-section Stress Redistribution in CFST Arch Bridge under the Standing Load 徐变对钢管混凝土拱桥拱肋截面应力重分布的影响 www.ilib.cn 9. Introduction to the Japan CFST design method for axial compression members 日本钢管砼轴心受压构件设计方法介绍 scholar.ilib.cn 10. Three dimensional elasto-plastic seismic response analysis of CFST bridge 钢管混凝土拱桥的三维弹塑性地震反应理论分析 www.ilib.cn 1. Nonlinear Stability Analysis of Long-span CFST Arch Bridge 非保向力对钢管混凝土拱桥稳定性的影响分析 www.ilib.cn 2. FEM Analysis of the Creep and Shrinkage in CFST Arch Bridge 钢管混凝土拱桥收缩徐变的有限元分析 service.ilib.cn 3. Ultimate Load-carrying Capacity of CFST Arch Bridge with Long-span 大跨度钢管混凝土拱桥的极限承载能力分析 www.ilib.cn 4. Quality Detection of CFST Bridge By Ultrasonic Method 超声波检测钢管混凝土拱桥的质量 www.ilib.cn 5. The application of CFST in residential buildings 钢管混凝土在住宅建筑中的应用 www.ilib.cn 6. Review on performance-based seismic design method of CFST column 基于性能的钢管混凝土柱抗震设计方法概述 www.ilib.cn 7. Seismic Response Analysis of Long-Span CFST Deck-Type Arch Bridge 大跨度上承式钢管砼拱桥的地震响应分析 www.ilib.cn 8. Design Calculation Analysis of Fly-bird-type CFST Arch Bridge 飞鸟式钢管混凝土拱桥设计计算分析 www.ilib.cn 9. Seismic Response Analysis of Long Span CFST Arch Bridge Under the Action of Travelling Waves 大跨度CFST拱桥行波效应的地震反应分析 www.ilib.cn 10. A Simplified Calculating Mode for CFST Truss Arch Bridge 钢管混凝土桁式拱桥简化计算模式研究 www.ilib.cn 1. Static and dynamic loading test of half-through CFST arch bridge 中承式钢管混凝土拱桥静动载试验 www.ilib.cn 2. Safety Evaluation for CFST Arch Bridge Based on Uncertain Analytic Hierarchy Process Method 不确定层次分析的钢管混凝土拱桥安全性评价 ilib.cn 3. Modal Analysis of Self-Viberation Characteristics of Fly-bird-type CFST Arch Bridges 飞鸟式钢管混凝土拱桥自振特性的模态分析 www.ilib.cn 4. Value Analysis of CFST Arch Bridge's Temperature Stress 钢管混凝土拱桥温度应力数值分析 ilib.cn 5. The Seismic Response Analysis of Long Span CFST Arch Bridge 大跨度钢管混凝土拱桥地震反应分析 ilib.cn 6. Spatial Stability Analysis of CFST Arch Bridge 钢管混凝土拱桥空间稳定分析 ilib.cn 7. Seismic Spectrum Analysis for CFST Arch Bridge 钢管砼拱桥反应谱抗震分析 www.ilib.cn 8. Study on Intelligent System of Safety Evaluation for CFST Arch Bridge 钢管混凝土拱桥安全性智能评价系统研究 ilib.cn 9. Stability Analysis of Long-span Deck-type CFST Arch Bridge 大跨度上承式钢管混凝土拱桥的稳定性分析 ilib.cn 10. Construction Control and Load Test of CFST Arch Bridge 中承式钢管混凝土桁式拱桥施工控制与承载力评定 www.ilib.cn 1. Construction and design of CFST long span arch bridges 大跨度钢管混凝土双肋拱桥的设计与施工 www.ilib.cn 2. Stability and vibration of long span CFST arch bridges 大跨度钢管混凝土拱桥的稳定与振动 www.ilib.cn 3. Design of CFST half through arch bridge of Beichuan River in Xi'ning 西宁市北川河钢管混凝土中承拱桥的设计特点 www.ilib.cn 4. A study on the dynamic ultimate capacity of CFST arch bridges 钢管混凝土拱桥的动力稳定极限承载力研究 scholar.ilib.cn 5. Load Test and Finite Element Analysis of CFST Arch Bridge 钢管混凝土拱桥成桥试验及有限元分析 ilib.cn 6. Effects of tie-bars on seismic behavior of CFST arch bridges 系杆对钢管混凝土拱桥抗震性能的影响 www.ilib.cn 7. Dynamic analysis of Nielsen CFST arch bridge 尼尔森体系提篮拱桥动力特性有限元分析 www.ilib.cn 8. Arc Rib Alignment Control for Long-span CFST Arch Bridge 大跨钢管混凝土拱桥裸拱安装线形控制 ilib.cn 9. Analysis of Creep Influence on CFST Arch Bridges 徐变对钢管混凝土拱桥的影响分析 www.ilib.cn 10. Effect of Sloping Angle of Arch Rib on Stability for CFST Arch Bridge 钢管混凝土拱桥拱肋侧倾角对稳定性影响的研究 ilib.cn 1. The Elasto-plastic In-plane Ultimate Load Analysis for CFST Structures 哑铃型钢管混凝土柱的面内弹塑性分析 www.ilib.cn 2. Discussion on Problems of CFST Arch Bridges 关于钢管混凝土拱桥若干问题的探讨 www.ilib.cn 3. The Theoretic Research on the Effect of Creep and Shrinkage of CFST Arch Bridge 收缩徐变对钢管混凝土拱桥影响的理论研究 www.ilib.cn 4. Elasto-plastic Analysis for CFST Arch Ribs with Dumbbell Sections 哑铃型钢管混凝土拱桥的面内弹塑性分析 scholar.ilib.cn 5. Safety Assessment of CFST Arch Bridge Based on Radial Basis Function Neural Network 基于径向基网络的钢管混凝土拱桥承载力评价 ilib.cn 6. Effect of Rises-pan Ratio on Stability for CFST Arch Bridge 钢管混凝土拱桥矢跨比对稳定性影响的研究 ilib.cn 7. Selection and Design of Joints for CFST Frame 钢管混凝土框架节点选型与设计 ilib.cn 8. Modal Analysis of Long-span CFST Arch Bridge 大跨度钢管混凝土拱桥的模态分析 scholar.ilib.cn 9. Design of CFST East Chaoyang Arch Bridge 朝阳市东大桥钢管混凝土拱桥设计 www.ilib.cn 10. Development of confined CFST columns 约束钢管混凝土结构柱的开发研究 www.ilib.cn 1. Introduction to Joints of CFST High Rise Building 高层钢管混凝土结构节点形式介绍 www.ilib.cn |
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