fissionedv.分裂adj.分裂的
fissionn.分裂;裂变;【生】裂殖
fission track dating method裂变径迹法年龄测定
Fission isotope target tube裂变同位素靶管
fission-product detection裂变产物的探测
fission-product poisoning裂变产物中毒
fission-product decay heat裂变产物衰变热
fissionable nuclear material可裂变核物质
fission-product irradiator裂变产物辐照器
fission-track dating method分裂追踪测年法
fission product contamination核分裂生成物污染