没有机械,就没有人类文明。中国古人在机械原动力、原理的利用、机械设计、材料选用与制造工艺诸方面有很多发明创造,形成了自己的技术体系。从工具到机械人类历史始于工具的制造和使用。早期人类在同野兽和环境的斗争中,学会使用木棒和石块等天然工具,弥补手的不足。这 Without machinery, there is no human civilization. Chinese ancestors in the mechanical power, the use of principles, mechanical design, material selection and manufacturing processes have many aspects of inventions, formed its own technical system. From Tool to Robot History begins with the manufacture and use of tools. Early humans, in the struggle against beasts and the environment, learned to use natural tools such as sticks and stones to make up for their lack of hands. This