“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	active-device active dictionary active dimensions of fuel plate active dipole active disassembly active distribution network active document active dosimeter active edge active edge list active electrical heating active electrical property active electrode active electron active electronic jamming active element active element of plant active elliptical galaxy active emergency culture active energy active escorted-jamming active fault active fault classification active fibre active field

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。