天气预报 > 其他 > 一天吃的热量是多少
一天吃的热量是多少
更新时间: 2020-11-04 00:00:00  

人体正常每天至少需要摄取1500卡的热量。人体每天所须的热量与体重身体活动程度有关。

热量,是指在热力系统与外界之间依靠温差传递的能量。热量是一种过程量,所以热量只能说"吸收""放出"。不可以说"含有""具有"。而该传递过程称为热交换或热传递

关键词: 热量 多少

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