“system efficiency”的概念、定义、翻译、参考文献-科学参考

单词	system efficiency
释义	system efficiency Encyclopedia 工学有杆泵抽油系统效率释 system efficiency有杆泵抽油系统效率有杆泵抽油系统将井下的液体举升至地面的有效功与抽油系统输入的能量之比。
随便看	two-screen model two scroll paintings unearthed at Yemaotai Town, Faku County two seasons pasture two-section voltmeter two-sector model two self two-sheeted hyperboloid two-sheeted hyperboloid of revolution two-shift peak load regulating two-sided two-sided annihilator two-sided approximation two-sided condition two-sided constraint two-sided decomposition two-sided derivative two-sided distribution two-sided divisor two-sided divisor of zero two-sided element two-sided estimate two-sided estimation two-sided exponential distribution two sided extremum principle two-sided extremum principle

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。