“无瑕号”由平民操作，装备有主动探测的低频声纳，具备一系列的模块，每一模块配有两个大马力的传感器。

Crewed by civilians, Impeccable is equipped with an active low-frequency towed array with a series of modules, each housing two high-powered transducers.

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普朗克探测到的光波-低频范围从30 - 857千赫-是我们肉眼无法观察到的。

Planck detects light that we can't see with our eyes — light with low frequencies ranging from 30 to 857 gigahertz.

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将地球作接收引力波的天线物质，地球就成为了工作在低频段的引力波探测器。

Taken the Earth as material of antenna for receiving gravitational wave, the Earth behaves as a low-frequency gravitational detector.

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