“机械效率”的概念、定义、翻译、参考文献-科学参考

单词	机械效率
释义	机械效率 Encyclopedia 工学机械动力学释 mechanical efficiency机械效率机械在稳定运转时，一个循环内的输出与输入功之比。理学﹝质点系动力学﹞释 mechanical efficiency机械效率机械的输出功（有用功量）与输入功（动力功量）的百分比。
随便看	matrix normal distribution matrix notation matrix number matrix of a bilinear form matrix of a formula matrix of a linear transformation matrix of a quadratic form matrix of coefficients matrix of connective tissue matrix of dimensions m×n matrix of dripping pills matrix of matrices matrix of meteorite matrix of periods matrix of relations matrix of solutions matrix of sum squares between matrix of sum squares within classes matrix of the coefficients matrix of ties matrix of total requirement coefficient matrix of transition probabilities matrix of -type matrix of type matrix operation

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。