引用:
最初由 neverever 发布
个人认为:
第三个完全无歧义的是
V prime sub one equals the ratio of M sub 1 times the subtraction of V sub 2 from V sub 1 to the sum of M sub 1 and M sub 2
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也太累赘了吧, 只是读读公式罢了,读的时候同时写一写黑板不就清楚了?
V one equals to M two over M one plus M two, times V one minus V two.