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介绍分子动力学的基本原理、算法，阐述它在研究纳米机械加工机理中的重要作用。介绍国外应用分子动力学研究超精密切削机理的现状和方法。指出应用分子动力学研究纳米机械加工机理的发展趋势。认为分子动力学是探索纳米机械加工机理的有力工具，它必将推动纳米机械加工技术的发展。
The basic principles and algorithms of molecular dynamics are introduced, and its important role in the research of nanomechanical processing mechanism is expounded. This paper introduces the current situation and methods of studying ultra-precision cutting mechanism by molecular dynamics in foreign countries. It is pointed out that molecular dynamics should be used to study the development trend of nanomechanical mechanism. It is believed that molecular dynamics is a powerful tool to explore the mechanism of nano-machining and it will promote the development of nano-machining technology.