单词 fission 释义 ▪ I. fission, n.|fn|[ad. L. fissin-em, n. of action f. findre to split.]1. The action of splitting or dividing into pieces.1865Pop. Sc. Rev. Jan. 177 Fission or the separation of cuttings is used to perpetuate the same variety.2. spec....
单词 fission 释义 fission n[U] 1 splitting of the nucleus of an atom with the release of a large amount of energy 裂变: nuclear fission 核裂变. 2 (biology 生) splitting or division of biological cells as a method of reproduction 分裂生殖. 英汉双解词典...