1、
The main core of the fleet were 5 armoured ships , 3 armoured frigates and 2 ironclads.
普法战争时大概有五艘吧(3艘装甲护航舰, 2艘铁甲舰).
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2、
用MCNP程序计算核燃料废包壳缓发裂变中子形成的热中子通量密度
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