add nonfissionable material to (fissionable material) so as to make unsuitable for use in an atomic bomb.
加入不物物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.
加入不物物得不适合于制原子弹。
The spatial arrangement of fissionable and nonfissionable materials in a nuclear reactor.
栅格:在核反应中和不的物的空间排列 v.tr.
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