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原子弹。
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原子弹。
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物质空间排列 v.tr.
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