“简单机械”的概念、定义、翻译、参考文献-科学参考

单词	简单机械
释义	简单机械 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	soil mixing wall method soil moisture soil moisture acquisition Soil Moisture and Ocean Salinity satellite soil moisture conservation soil moisture conservation in dryland soil moisture conservation in farmland soil moisture constants soil moisture content soil moisture forecasting soil moisture for grassland soil moisture investigation soil moisture-monitoring instrument soil moisture monitoring instruments soil moisture monitoring station soil moisture movement for irrigated grassland soil moisture observation soil moisture regimes soil moisture retaining soil moisture tension soil monitoring soil morphological characteristics soil morphology soil nailing wall soil nailing wall support

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。