“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	current source current source for measurement technology current source inverting circuit current spectrum current-spreading layer current spreading length current status analysis current status assessment of fishery environment current status data current strength current stress aging test currenttelemeter current titration current transfers current transfers—BOP current transformation ratio current transformer current urban planning in China current vegetation map current velocity survey current-voltage method Current Zoology current–voltage characteristic curve curricular mode of vocational education curriculum development

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。