kev

kev的英语例句

1. The cross sections for these fusion reactions are appreciable only for incident energies above 10 KeV.

   只有当入射能量超过10千电子伏时,这些聚变反应的截面才是可观的.

2. A source told the News of the World : This vid is dynamite and Kev knows it.

   有消息说: 录像带内容劲爆,凯文不可能不知道这一点.

3. One signature of positron - electron annihilation is gamma rays carrying 511 thousand electron - volts ( keV ) of energy.

   电子 - 正电子湮灭的一个信号就是携带 511keV 能量的伽玛射线.