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关注：1
2013-05-23 12:21
求翻译：A sound scientific theory should be one that works not only under one set of conditions at one time, but also under the same conditions at other times是什么意思？ 待解决
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- 离问题结束还有
A sound scientific theory should be one that works not only under one set of conditions at one time, but also under the same conditions at other times
问题补充： |
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