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人吃食物前后,体重是否有变化呢?比如,现在吃了100克食物,体重增加了多少?你也许会说是100克,但这是错误的.rn380年前,有个意大利学者,为了了解吃的食物的重量和体重的关系,他用自己的身体做了试验.他制作了一个特大的秤,自己在上面连续住了几天,吃喝、大小便都在上面进行.
不变的体重
【摘 要】
：
人吃食物前后,体重是否有变化呢?比如,现在吃了100克食物,体重增加了多少?你也许会说是100克,但这是错误的.rn380年前,有个意大利学者,为了了解吃的食物的重量和体重的关系,
【出 处】
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科技文萃
【发表日期】
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2000年3期
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