According to the theory of wave crack, the variation rules of wave speed and amplitude, by use of the compressional-wave probe, the polarizing wave speed of rock with large plane is obtained.

根据横观各向同性介质波动理论，结合波速、波幅的变化规律分析，通过纵波探头平测法，测试了有较大平面的岩块横波在层理面内的偏振波速。

youdao

This research is mainly focused on the influence of crack on the wave propagation in cracked media.

本文以裂隙对波传播的影响为主要研究目标。

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The wave from vessel's launch causes crack of mooring chain for fixing pontoon and is considered to be solitary wave through analyses.

针对大船下水激起的波浪造成固定趸船锚链断裂的问题，分析了大船下水激起的波态是孤立波。用近似方法确定了孤立波的波高。

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The U.S. saw a wave of crack addiction in the 1980s that has to some degree faded.

FORBES: Magazine Article

The U.S. saw a wave of crack addiction in the 1980s that has to some degree faded now.

FORBES: When Gin Was In

Mehedi Hasan, who worked at the New Wave Button factory on the third floor, said that though a crack had appeared in a wall Tuesday, on Wednesday morning factory supervisors asked workers to return, claiming the building was safe.

WSJ: Bangladesh Building Collapse Kills at Least 80