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  1. fission bomb


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  2. 知識+

    • 幫我翻成英文 不要用軟体

      ...high ocncentration of Uranium-235, Nuclear bomb also have a detonation device. On the other hand, theinside...many other safety device to manipulate the chain reaction of nuclear fission. The two designs are completely different...

    • 請幫幫我 英文文章翻譯

      ...derive thier destructive force from nuclear reactions of fission or fusion. The first nuclear weapons...the United States dropped two atomic bombs, code-named"Little Boy"and...