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虽然没有准确的历史对称重科学开始或者人类发明衡器及砝码标准系统的时间进行记录。但是,我们的确知道即使称重及测量不是最古老的技术,也是最古老的技术之一。这些技术自古以来都在连续使用。一台极小的等臂天平在埃及的一座史前坟墓中
Although there is no accurate history of the beginning of weighing science or humans inventing scales and weights of the standard system time to record. However, we do know that even though weighing and measuring are not the oldest technologies, they are one of the oldest technologies. These technologies have been used continuously since ancient times. A tiny equatorial balance is in a prehistoric grave in Egypt