本题目来源于试卷: Physics Unit31: Nuclear Energy and Radiation，类别为 Generic Physics
[单选题]
A chain reaction canm 3+s6jc pe2.f2fff/vs+lfk hkms9hv9f5-w9x i0o 8oeq al5b occur
A. in any uranium core.
B. when critical mass is reached.
C. in the center of the Sun.
D. when the coolant is too hot.
参考答案: B
本题详细解析:
暂无
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Post time 2024-1-22 00:52:09