hydrant什么意思 fission是什么意思及用法 翻译fission的意思

fission是什么意思及用法 翻译fission的意思  

英音 ['fiʃən] ;,美音 ['fiʃən] ;,名词
1.【物】（原子的）分裂，裂变
2.【生】分裂生殖,时态 fissioned，fissioning，fissions,a nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy,reproduction of some unicellular anisms by division of the cell into o more or less equal parts,atomic fission 原子裂变,核裂变,nuclear fission n.[核]核子分裂,fission contribution 裂变作用,fission energy 裂变能(量),fission nuclide 裂变核素,fission reactor 核反应堆,explosive fission 爆炸裂变,heterolytic fission 异裂,single fission 单分裂,pile fission 反应堆分裂,fission n. 1.【物】（原子的）分裂，裂变 2.【生】分裂生殖,self fission 自裂变,gross fission product 总裂变产物,quasi fission 拟裂变,bud fission 【医】 芽分裂