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13.1 概述 1788年,詹姆斯·瓦特为自动控制蒸气机的速度而发明了飞球调速器,是商业上使用的第一代伺服机构。中国发明的算盘是使用的第一代计算机。在一定程度上,中国还在使用它。从算盘和飞球调速器的出现到现
13.1 GENERAL In 1788, James Watt invented a fly ball speed controller to automatically control the speed of a steam engine and was the first commercial servo used in the industry. China invented the abacus is the first generation of computers used. To a certain extent, China is still using it. From the emergence of abacus and flyball governor to the present