关于a factor of的意思A rapid decrease by a factor of 7 was observ
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题目内容:
关于a factor of的意思
A rapid decrease by a factor of 7 was observed.
这里的decrease by a factor of 7 究竟是“减少到1/7”还是“减少了1/7”
a factor of 7究竟又是什么意思?
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