velocity of approach

This paper presents an approach that derives LVZ velocity and static correction values from the arrival time of first break by using tomography technology.

理论模型试验结果表明利用层析成像技术可由初至波的到达时反演表层低速带速度并求得静校正量。

An Approach on the vibrating velocity of structure for Blasting in city

城市爆破中结构振动速度的初步研究

A space navigator wishes to determine his velocity of approach as he nears the moon.

一个宇宙飞行员希望确定出他接近月球时的逼近速度。

Approach to Improve Response Speed of Drawtube-Scan-Velocity Control System for TDI Side-Glance Aeronautical Camera

提高TDI摆扫航空相机镜筒扫描控制系统响应速度的方法

It is demonstrated that the accuracy of the approximate approach is acceptable in engineering, provided that the time averaged velocity gradient be determined by using the proper models.

结果表明，若选择适当的湍流时均速度梯度模型，用近似算法计算的体均能量耗散率与用解析式计算的值接近，说明该近似算法的准确性可以满足工程计算的需要。

It is a very important approach to increase the tip velocity of rotor for the high pressure ratio.

提高单级压比的重要途径之一，就是提高动叶的叶尖速度，这同时就会造成叶尖的超音速。

The experimental approach of velocity measurement has also been investigated for low speed particle field.

同时研究了低速运动粒子场的速度测量实验方法.