Multichannel sparker recording has recently come into use for shallow - penetration.

多道火花发生器记录系统,最近开始已在浅层勘测中应用.

辞典例句

Silent Guardian does not cause injury because of the shallow penetration depth of the millimeter wave.

由于毫米波穿透皮肤的深度较浅,所以“无声卫士”不会使人致伤.

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