fissionable nuclear material.
变的核材料
fissionable nuclear material.
变的核材料
add nonfissionable material to (fissionable material) so as to make unsuitable for use in an atomic bomb.
加入变物质使变物质变得于制造原子弹。
The spatial arrangement of fissionable and nonfissionable materials in a nuclear reactor.
栅格:在核反应中变和变的物质的空间排列 v.tr.
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