基本解释脉冲星同根派生 英汉例句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。We expect that Fermi will discover dozens of new pulsars within its first year.我们预期在它的第一年里费尔米能够发现更多的这种新的脉冲星。