“平行四边形机构”的概念、定义、翻译、参考文献-科学参考

单词	平行四边形机构
释义	平行四边形机构 Encyclopedia 工学连杆机构释 parallelogram linkage平行四边形机构固定平行四边形运动链中的任一杆的机构，用来产生输入杆与输出杆之间的等速转动或者连杆的平动。
随便看	risk of space radiation risk of the first kind risk of the second kind risk of the third kind risk on hazards of exotic species risk perception risk perception in the commission of crime risk point risk predictability training risk prediction risk preference risk premium risk prevention of collection risk priority number risk profile risk rerception risk retention risk return tradeoff risk-return trade-off risk-return tradeoff risks associated with physical activity and exercise risk-sensitive stochastic control problem risks in tourism risk society Risks of Investment Program

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。