The second wave , the one that can cause damage , moves at a slower four kilometers per second 第二种波速度较慢但可能造成危害，以每秒4千米的速度传播。
The second wave , the one that can cause damage , moves at a slower four kilometers per second 第二种可能造成危害的波速度较慢，以每秒4千米的速度传播。
An optimized approach for single - hole method of shear wave velocity measurement based on correlation functions 基于互相关函数的单孔法波速测试优化算法
Based on the approach , a new double ended fault location method is presented 本文提出一种在线测量行波波速的方法，以此为基础提出一种新型双端侧距算法。
This paper is mainly devoted to investigate traveling wave solutions and the asymptotic speed of a population model 本文主要讨论了一类人口模型的行波解与渐近波速。
With a special observation system , the surface thickness of concrete highway is derived by the velocity and time parameter 采用特殊的观测系统，由波速及走时反推路面厚度。
Standard test method for measuring the p - wave speed and the thickness of concrete plates using the impact - echo method 用冲击回声法测量p波速度和混凝土板的厚度的标准试验方法
Surface acoustic wave is a elasticity wave on the solid substrate . its velocity has 105 lower than light ’ s 声表面波是在介质表面传播的弹性波,通常它具有比电磁波慢五个数量级的波速。
It is simple to determine the shear strength of soil foundation with a few parameters of soft soil 该关系式简单，只需确定少量的软粘土的参数，就可以利用波速法定量地确定地基的抗剪强度。
2 , the image of sn - wave velocity lateral variation is reconstructed in china continent by tomography method using 43646 sn rays 2 、用了43646条sn射线反演得到中国大陆上地幔顶部s波速度横向变化。
