1.
(i) relating to fissionable materials or the materials from which they are derived;
(1)涉及可裂变物质或从可裂变物质衍生的物质；
2.
fertile thorium 232.
能产生裂变物质的钍232
3.
fissionable material production reactor
可裂变物质生产反应堆
4.
add nonfissionable material to (fissionable material) so as to make unsuitable for use in an atomic bomb.
加入不裂变物质使裂变物质变得不适合于制造原子弹。
5.
Fissionable material used in a nuclear reactor.
可裂变物质用在核反应堆中的可分裂性材料
6.
To add nonfissionable matter to(fissionable material)so as to prevent use in an atomic weapon.
使（核材料）中毒（向可裂变材料中）加入不可裂变物质以防止（这种可裂变物质）用于原子核武器
7.
mass distribution of fission products
裂变产物的质量分布
8.
fission product contaminants
裂变产物裂变污染物
9.
To produce(fissionable material) in a breeder reactor.
产生裂变的物质增殖，指在增殖反应堆里产生（可裂变的物质）
10.
(ii) relating to fissionable and fusionable materials or the materials from which they are derived;
（ii）与裂变和聚变物质或衍生此类物质的物质有关的行动，
11.
The amount of material produced during fission is insignificant.
裂变时产生的物质数量是不够的。
12.
The spatial arrangement of fissionable and nonfissionable materials in a nuclear reactor.
栅格在核反应中可裂变和不可裂变的物质的空间排列
13.
The process in which substances are converted to their constituent atoms is called "cracking".
物质转变为其组成的原子的过程叫做“裂解”。
14.
Analysis of Cycle-to-Cycle Combustion Variation of Spark-Ignition Biogas Engine
热裂解生物质气发动机燃烧循环变动研究
15.
yield mass curve
裂变产额 质量曲线
16.
spontaneously fissible isomer
自发裂变同质异能态
17.
(physics) capable of undergoing nuclear fission.
（物理学）易于产生核裂变。
18.
(physics) not capable of undergoing fission.
（物理学）不易于产生裂变。