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 )
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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.
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In hole in the center of this system is placed a subcritical sphere of fissionable material.
在这个系统的中心圆洞中放置一枚次临界的球形可裂变物质.
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"a fissionable nucleous"
"fissionable material"