pulsars是什么意思？

pulsars

英['pʌlsɑ:z] 美['pʌlsɑz]

• n. 脉冲星，（快速）脉冲射电源( pulsar的名词复数 )；

例句

• They have discovered now , previou sly unimagined objects - pulsars, quasars, and black holes. 他们发现了以往想象不到的新客体 —— 脉冲星 、 类星体和黑洞.
• Another kind of period variation, " Glitches, " are seen in several pulsars. 在几个脉冲星中还看到了周期的另一种变化, 即 “ 自转突快 ” 现象.
• Some pulsars keep time better than the earth's most accurate clocks. 某些脉冲星发送脉冲比地球上最精确的时钟都准时。

柯林斯高阶英汉双解学习词典释义

• N-COUNT
  脉冲星
  A pulsar is a star that spins very fast and cannot be seen but produces regular radio signals.