“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	critical case critical cavitation Critical chain Critical Chain Method critical charge radius critical coagulation concentration critical coefficient critical concentration critical concentration of plant nutrients critical condition critical constant critical cultural theory critical current critical current of type two superconductor critical damping critical [damping] resistance critical damping resistance critical degree of saturation critical density critical density of the universe critical depth of groundwater critical determinant critical difference critical dimension critical discharge

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。