本题目来源于试卷: Physics Unit32: Elementary Particles，类别为 通用国际物理
[单选题]
The exchange particles for the8 :wdewxg.qnpib; 1 q0eo7 y.b weak force are very massiveo7 *abfh*st9a (about 100 times as massive as a proton). This would lead one to expect that th 9os7t faabh**e weak force would
A. act over a very long range.
B. act over a very short range.
C. only act on very massive particles.
D. be transmitted at the speed of light.
参考答案: B
本题详细解析:
暂无
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