The seismic waves signal detected by sensors is principally Rayleigh wave when the detection position is far from the target. Accordingly moving military target can be found by Rayleigh wave.

当探测点距目标较远时，传感器检测到的目标运动产生的地震波信号成份主要为瑞雷波。

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The seismic waves signal detected by sensors is principally Rayleigh wave when the detection position is far from the target.

当探测点距目标较远时，传感器检测到的目标运动产生的地震波信号成份主要为瑞雷波。

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Aeropostale is a mall-based, specialty retailer of casual apparel and accessories, principally targeting fourteen to seventeen year-old young women and men (talk about a small target).

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