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polaris953金蟲 (小有名氣)
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[求助]
is reduced by a factor of 2 是什么意思呢?
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文獻(xiàn)里說,6×1011(11次方)is reduced by a factor of 2,這個(gè)結(jié)果是等于3×1011,還是4×1011呢? x is reduced by a factor of y是等于x/y還是x-y呢? |
木蟲 (著名寫手)
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X is reduced by a factor of Y = X / Y (The result is 'X divided by Y') X is increased by a factor of Y = X x Y (The result is 'X multiplied by Y) 引自:http://www.englishforums.com/Eng ... rOf/brhvqz/post.htm What does reduce something by a factor of 2 mean? Answer: Divide by 2 引自:http://wiki.answers.com/Q/What_d ... _a_factor_of_2_mean 由上可見,此處是除的意思,結(jié)果是等于3×10E11。 |
木蟲 (小有名氣)
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