“simple machinery”的概念、定义、翻译、参考文献-科学参考

单词	simple machinery
释义	simple machinery Encyclopedia 理学静力学释 simple machinery简单机械人类在劳动实践中最早创造的结构简单的机械，包括杠杆、滑轮、斜面、螺旋、尖劈等。
随便看	psychology expert witness Psychology for Screenwriters Psychology from the Standpoint of a Behaviorist psychology hypothesis psychology in competition psychology metaphor psychology model psychology of aging psychology of artistic creation Psychology of artistic enlightenment psychology of artistic imitation psychology of coaches psychology of composition psychology of consciousness of returning to the root psychology of counter-terrorism psychology of crime prevention psychology of criminal suspect Psychology of Cultural Industries Psychology of Education psychology of environmental design psychology of ethnic and religion psychology of information warfare psychology of intellectual education Psychology of Intelligence Analysis psychology of jobbery crime

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