负负得正 [fù fù dé zhèng]
双语例句原声例句
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两个否定等于肯定，负负得正。
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但孩子们确实热爱学习真实的东西——为什么树会有叶子，为什么负负得正，亨利八世砍了他多少老婆的头。
But children do love learning real things-why trees have leaves, how two minuses make a plus, the number of wives' heads Henry VIII removed.
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K So minus minus K is plus K.
负负得正得到。
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Wrev So minus w reversible, 1 p2 is less than p1, so p2 over p1 is less than one, log of something less than 1 is negative times negative.
那么，而p2小于p1，p2/p1小于，取对数后是负数,负负得正。
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If when x is low, y also tends to be low, then this will be negative number and so will this, so their product is positive.
如果x取值小,同时y值也小,这将是一个负值,这个也是负值,负负得正,结果是正值
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$firstVoiceSent
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