基本解释：顶端速度
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Based on the influence that forge rate on friction welding metal,the equation between and friction welding metal is studied.从顶锻速度Vd对摩擦焊合区金属塑性成形的影响入手,系统研究了Vd与摩擦焊合区金属组织的关系。
The influences of eccentricities of casing and displacement velocity of cement on the stability of displacement interface and displacement efficiency under different conditions of flow states,Reynolds numbers and eccentricities were obtained.在不同流态、不同流动雷诺数和不同环空无量纲偏心度的条件下进行了计算,得到了顶替速度及偏心度对顶替效率以及界面稳定性的影响规律。
Different jacking speed is carried out on the model to further explore the deformation rules of the extra-shallow-underground-pipe jacking with short-radius curve at different jacking speed,and the recommended value of jacking speed is proposed.以杭州半山超浅层曲线顶管工程为基础,利用大型通用有限元软件ANSYS对超浅层顶管的施工过程进行数值模拟,建立超浅层小半径曲线顶管模型,对模型实施不同的顶进速度,用以进一步探求超浅层小半径曲线顶管在不同顶推速度下的地面变形规律,提出顶进速度建议值。
The results indicate that,with increase in undercooling,a small nuclei will grow developed dendritic,the tip velocity at steady state is become faster;With increase in the coupling parameter,tip velocity at steady state increased monotonically and it's interfacial stabil.结果表明,随着过冷度值的增加,晶核由一圆核逐渐发展为发达的枝晶,相应的枝晶稳态尖端速度明显加快;随着耦合系数的增大,晶核由一圆核发展为细长的枝晶,枝晶的稳态尖端速度呈单调递增趋势,界面的稳定性逐渐变差。
Study of the Ground Deformation of Extra-shallow-underground-pipe Jacking with Slight Curve in Different Speed of Jacking超浅层曲线顶管在不同的顶进速度下地表变形研究
To increase the speed of.加速，促进加快…的速度
Improvement of the Cleaning Zone Roof Structure of Nickel Flash Smelting Furnace Jinchuan金川镍闪速炉贫化区炉顶结构的改进
Research and Manufacture on High Precision Dynarmic Integrated Test Platform of Retarders高精度减速顶动态综合测试台的研制
Study was conducted on the roof of No.3604 S4 coal face and the actual mining roadway with fractals, and a few kinds of functional values of subsidence velocity of this face were obtained.用分形对3604S4工作面和回采巷道顶板进行了研究，得到了该工作面下沉速度的几种分维值。
one modified to increase speed and acceleration.为了提高速度和加速度而改进的汽车。
Beam reinforcement work will be top-line technology into large-span bridges and culverts工便梁加固线路顶进大跨度桥涵技术
Fasteners : lacing cleats and speed loops are located at the top and bottom of the boot.钩:系带固着楔和速度圈在靴的顶部和底部.
A Laboratory and Numerical Simulation of the Entrainment Rate on the Top of CBL对流边界层顶部夹卷速度参数化的模拟研究
Analysis of the Speed Features of World s Top Sportsmen of 100m;世界顶尖男子100m运动员的速度特征探析
Determination Method of Safety Thickness of Karst Cave Roofs Under Freeway Subgrade高速公路路基岩溶顶板安全厚度确定方法
They're moving way too fast.他们推进的速度太快。
marching in douBle time.以快两倍的速度行进
travelling at top speed以最快的速度行进.
His advance was slow.他的前进速度缓慢。
At what speed is he travelling?他以多快的速度前进？
Because of this, he made rapid progress.因此，他前进的速度很快。
travel at a giddy speed以令人目眩的速度行进
