They include high body temperature, a very fast, strong pulse.

他们包括高体温，一种非常快和强的脉冲。

The days when the planet beat with the strong pulse that produced volcanic and tectonic Mercury-quakes, are long gone.

水星上曾经也大量陨星袭击造成火山活动和不断的地震不过，是很久之前的事了。

Every two seconds they generate a strong electrical pulse.

每两秒钟它们就会产生一个强烈的电脉冲。

First, it emits two or three strong pulses, as much as 600 volts.

首先，它会发出两到三个高达 600 伏的强脉冲。