一、前言衡器与称重系统几乎用于经济的各个方面。在国内与国际贸易的定量中,商用衡器起决定性作用。生产过程中的称重装置的重要性同样增加了。在实验中,现代电子天平正在补 I. Introduction Weighing and weighing systems are used in almost every aspect of the economy. In the quantitative domestic and international trade, commercial scales play a decisive role. The importance of weighing devices in the production process has also increased. In experiments, modern electronic balances are making up