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.
辞典例句
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.
互联网
This stellar population has a distribution that matches the extent of the 511 keV map.
这一恒星密度分布与511keV图的范围相符.
互联网