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计量是实现单位统一和量值准确可靠的活动。计量学是有关测量的科学。但在社会生活中提起计量,似乎没几个老百姓能说出个所以然来,仿佛计量与人们的生活没有什么关系。但是如果说计量曾经叫做度量衡,则大部分老百姓都会明白它是关于测量的。其实,计量与人们的生活息息相关,身边处处存在着计量。例如,人们到集贸市场购买大米、面粉、鱼、肉、水果、蔬菜都要用电子计价秤称重结算;每个家庭消耗的电、水、燃气要按照电能表、水表、燃
Measurement is to achieve the unity of units and the value of accurate and reliable activities. Metrology is the science of measurement. However, when it comes to measurement in social life, it seems that few ordinary people can say what they are doing as if measurement does not have anything to do with people’s lives. But if measurement was once called metrology, most people would understand that it is about measurement. In fact, measurement and people’s lives are closely related, there are measurements around. For example, when people buy rice, flour, fish, meat, fruits and vegetables at bazaars, they shall be weighed and settled by means of electronic pricing scales. The electricity, water and gas consumed by each household should be measured according to ammeter, water meter,