效率的英文：
efficiency

Modulator efficiency
调制器效率

Transmitter efficiency
发射机效率

Phosphor efficiency
磷光效率

driving efficiency
驾驶技能,操作效率

The welfare system is grossly inequitable and inefficient.
福利制度非常不公平,效率也极低。

That's because pasture grazing is inherently inefficient.
这是因为牧场放牧效率不高。

Efficiency is undermined in a jungle of red tape.
效率就淹没在使人如入迷津的繁琐手续之中。

In the early days there was an efficient electrified railway linking the settlements
早年，洛杉矶市曾有一条效率很高的电动机车线，将居民点联接起来。

High speed and accuracy of the computer operation improves the efficiency and quality of service processing.
微机操作速度快、准确率高，提高了业务处理的效率和质量。

The ratio of luminous flux at a specific wavelength to the radiant flux at the same wavelength.
发光效率一定波长的光量对同样波长的辐射光量的比例。

The service productivity is the function, including external efficiency, intestine efficiency and capacity efficiency.
服务业的生产率是一个包含有外部效率、内部效率和能力效率的函数。

The efficiency of the tandem system is perfect.
这个串联系统的工作效率无可挑剔。

To destroy or hinder the efficiency of; frustrate.
使不起作用使无效或限制其效力的发挥；阻挠、挫败

He is an efficient manager.
他是一位办事效率高的经理。

Their labor efficiency is very high.
他们的工作效率很高。