Objective To investigate the relationship between V variable deceleration in non-stress test of fetal heart rate and abnormal amniotic fluid and umbilical cord and pregnancy outcome.
目的探讨无负荷试验中V型减速与脐带、羊水异常及围生儿结局的关系。
A Study on Dynamic Characteristics of 2K-V Gear Reducer;
2K-V型减速机的动力学特性研究
Study on Simulation of Virtual Prototyping of 2K-V Reducer;
2K-V型减速机的虚拟样机仿真研究
Simulation research on the rotational accuracy in 2K-V type reducer
2K-V型减速机回转精度的仿真研究
3D parametric design for cycloidal gear used in 2K-V reducer based on Pro/E;
基于Pro/E的2K-V型减速机摆线轮的三维参数化设计
Study on Dynamics Simulation of 2K-V Cycloid-pin-annulus Reducer
2K-V型摆线针轮减速机的动力学仿真研究
Simulation study on surface drag-reduction with V-size traveling wave of different aspect ratios
不同宽高比的V型随行波表面减阻仿真研究
Research on the Deceleration Characteristic of Engine-reducer for Automated Mechanical Transmission of the Heavy Vehicle;
重型车AMT发动机减速器减速特性研究
Design of New Ordinary V-belt CVT;
新型结构普通V带传动无级变速器设计
A Study on a Metal Pushing V-Belt Type CVT(Part 4:Forces Act on Metal Blocks When the Speed Ratio is Changing)
金属推快v-带型CvT的研究部分4:速比变化时金属块上的作用力
A heavy lorry has jack-knifed on the motorway, causing long delays.
一辆重型铰接货车在高速公路上撞成V字形, 耽搁了很长时间.
The pressure is P, the velocity is V.
压力为p，流速为V。
Experimental Research on the Ship Form of High-speed Catamaran Drag Reduction by Microbubble;
高速双体船船型微气泡减阻试验研究
Heat Power Analysis and Calculate of The B3SF-560 Reductor;
B3SF-560型减速机热功率分析计算
Research on design method of reducer based on the TBS model
基于TBS模型的减速器设计方法的研究
Modal Analysis of the New Type of Filtering Gear Reducer Based on ANSYS Workbench
基于ANSYS Workbench的新型滤波减速器模态分析
Deceleration Transformation of ZSM1756A-type Linear Vibrating Screen
ZSM1756A型直线振动筛减速改造
A Study on the Defect of Deceleration Delay Caused by 6A95Z20 Fuel Pump
6A95Z20型喷油泵减速迟缓问题研究
Two Cylindrical Gear Reducer Optimization Mathematical Model
二级圆柱齿轮减速器优化的数学模型
