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- The ratio of the effective or useful output to the total input in any system. 效率:在某一系统中有效的或有用的产出与总投入的比率。
- The PLL system is a stable phase feedback control system with many useful outputs, and it is robust to its inner parameters and small change of input's basic frequency. 该改进PLL系统是一个稳定的相位反馈控制系统，产生的多个输出信号可用于多种电能质量扰动的检测，而且对于检测系统的内部参数和电力系统频率的变化是鲁棒的。
- The measures will enable us to double our output of bicycle. 这些措施能使我们的自行车产量加倍。
- There was a long lag in forwarding mail to us. 转寄给我们的邮件晚了很久才拿到。
- The measures will enable us to double our output of bicycles. 这些措施能使我们的自行车产量加倍。
- the ratio of the effective or useful output to the total input in any system 在某一系统中有效的或有用的产出与总投入的比率
- Will you partake of a drink with us? 和我们一同喝一杯好吗？
- He cut off a bunch of grapes to entertain us. 他剪下一串葡萄招待我们。
- It irks us to wait for people who are late. 等候迟到的人使我们厌烦。
- She made us all laugh with her zany tricks. 她那些滑稽的恶作剧逗得我们都大笑起来。
- The bandits subject us to all sort of indignity. 强盗们对我们加以各种侮辱。
- Kindly send us two samples of each class quote for. 报价时，请对每一个等级的各寄两个样品。
- One of the fishing boats sank down astern of us. 有一艘渔船在我们后面沉没了。
- Each of the components is useful in its degree. 每一个元件都各有程度不同的用处。
- His years of study were useful in his job. 他多年的学习有助于他的工作。
- A part of this urgent task was allotted to us. 这项紧急任务的一部分分给了我们。
- She offered to help us of her own volition. 她自愿提出要帮助我们。
- It disheartened all of us that she had been dismissed. 她被解雇了，这使我们大家都很沮丧。
- It took us an entire week to finish painting the home. 它花去了我们整整一星期的时间才把房子粉刷好。
- Let us hope that the period of this injustice will be over soon. 让我们希望这个不公正的时期很快结束吧。
