But certain stars, called pulsars, give off regular pulses of radio waves.

但有些恒星，所谓的脉冲星，会有规律地发出射电波脉冲。

youdao

For example, spinning neutron stars called pulsars emit clocklike streams of electromagnetic pulses.

例如，被称为脉冲星的自旋中子星发射出像钟摆一样的电磁脉冲。

youdao

For example, spinning neutron stars called pulsars emit clocklike streams of electromagnetic pulses.

例如，被称为脉冲星的自旋中子星发射出像钟摆一样的电磁脉冲。

youdao