In recent years, the sonic full wave well-logging technique is widely using for solid mine well-logging and engineering prospecting with its maturing both in theory and instrument.

近年来，声波全波列测井在理论和仪器原理上已经成熟，正被广泛应用在固体矿产测井及工程勘查设计中。

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This paper sums up the application result of sonic wave technique inShaodong Gypsum Mine.

本文总结了声波测试技术在邵东石膏矿的应用成果。

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Richard Lugg is a Maine neighbor of mine who has a company called HyperMach that is working on hyper-sonic jet engines for aviation and aerospace applications.

FORBES: For Radical Innovation, Nature Loves A Vacuum