I really admire the efficiency of your secretaries.

我真佩服你们秘书的办事效率。

youdao

Both Boeing and Airbus have trumpeted the efficiency of their newest aircraft, the 787 and A350 respectively.

波音公司和空中客车公司都对他们最新的飞机787和 A350 的效率大加赞赏。

youdao

In order to raise the efficiency of the water supply, measures should be taken to centralize the management of water resources.

为提高供水效率，应采取集中管理水资源的措施。

youdao

Liberals say the fuel-efficiency requirements for the replacement vehicles are not strong enough for the environment.

VOA: special.2009.08.07

And in practical terms, we can define the efficiency as the ratio of the heat in to the work out.

在实际中，我们定义,效率为热与功的比值。

麻省理工公开课 - 热力学与动力学课程节选

As long as it's reversible, you know what the efficiency has to be, and in principle, you could break it down into a bunch of steps that you could formulate as isothermal and adiabatic.

只要这个循环过程是可逆的，你们知道效率是多少，从理论上说，可以将总过程,分解成一系列绝热,和等温的小过程。

麻省理工公开课 - 热力学与动力学课程节选

He raises doubts about the efficiency of human power and questioned its economic viability.

CNN: Are we heading for a human-powered future?

Imagine the efficiency gains if the ethanol produced in Iowa was consumed in Iowa.

FORBES: The Midwest Should Use Its Own Ethanol

Most owners already have tried to boost the efficiency of their stations by installing self-serve pumps.

WSJ: Pain at Pump Hits Gas-Station Owners