“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	rock blasting in tunnel rock block rock-bolt support rock bream rock brittleness Rockbund Art Museum rock burst rockburst rockburst control rockburst forecasting rock carp Rock Climbing rock climbing rock compression coefficient rock compressive strength rock computed tomography experiment rock constitutive equation rock creep rock crushing mechanism rock crushing method rock crystal rock debris rock deformation experiment based on drilling rock deformation parameters experiment rock deformation properties

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。