When the beams sweep across the Earth, they can be heard as regular pulses, so we call them pulsars.

当它们扫过地球时，我们会接收到有规律的脉冲，因此它们被称作脉冲星。

Jocelyn Bell-Burnell, of objects in the sky that were emitting regular pulses of radio waves.

Jocelyn Bell-Burnell，天空中的物体发出有规律的无线电波脉冲。