According to the difference of the medium, along which the surface sound wave propagates, the detection method is classified, and the general principle, progress, and its application are introduced.

根据表面声波传播介质的不同，对检测方法进行了分类，并从检测原理，研究进展及应用等方面对各检测方法进行了详细介绍。

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Through setting up reasonable earth-electricity model, the distribution problem of electrical potential in uneven medium is resolved and system detection accuracy is improved.

通过建立合理的地电模型，解决了非均匀介质条件下的电势分布问题，进而提高了系统的检测精度。

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In the last, we make some suggestion about the study of seismic wave motion, detection and it's application in anisotropic medium.

最后对我国在各向异性介质中地震波动、检测和应用等研究提出了一些看法。

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"iFACTS, based on Trajectory Prediction and Medium Term Conflict Detection, provides decision-making support and helps controllers manage their routine workload, increasing the amount of traffic they can comfortably handle, " trumpets the Nats website.

BBC: Why air traffic control still needs the human touch

Absent Soviet agreement to such a ban (like the one that ultimately emerged in the INF Treaty with respect to medium-range ballistic missiles), any reductions agreed to in START could be readily circumvented without detection.

CENTERFORSECURITYPOLICY: Center for Security Policy | An Assessment Of Future Requirements For US Strategic Forces And Strategic Arms Control