效率

The brushless permanent magnet automobile a. c. generator has the advantages of high reliability, long service life, high efficiency, good performance at both low and high speed, low radio interference, simplifying its associated voltage regulator, cutting down materials, technology simplified, as well as high power/weight ratio, etc.,and will be a new product with broad prospects and large market.

无刷永磁汽车交流发电机由于取消了碳刷、滑环及励磁绕组，可大大提高可靠性，延长使用寿命，具有效率高，低、高速性能好、无线电干扰小，与之匹配的电压调节器结构简单、节约原材料、工艺性能好、比功大等优点。

If you have a dry cleaners for more than a scientific setting, then electricity, fuel savings goes without saying, cleaning time, improve efficiency can be reflected immediately.

如果你有一个科学的设置，然后电费一干洗店，燃料节约不言而喻，清洗时间，提高效率，可以立即反映。

It's a matter of efficiency.

这是一个效率的问题。

This paper proposed a new experimental system for IE teaching and training. It laid stress on the experimental types of the synthetic and design, and the systematization and consistency of the experiments.

引 言工业工程是研究工业系统的效率与发展的一门工程学科，具有利用自然科学和其它技术对研究对象进行观察、实验、分析、设计等功能和属性，是实践性极强的专业。

Sometimes, when I am very productive in my job, my employer gives me a pat on the back.

有时候，当我工作效率很高，我的老板会拍着我的背鼓励我。

It provides a scientific and effective method to enhance management level and efficiency of construction site.

为提高建筑工地的管理水平和工作效率，提供了科学、有效的管理方法和手段。

The maximum theoretical efficiency is equivalent to the Carnot cycle, however the efficiency of real engines is only a fraction of this value, even in highly optimized engines.

最高理论效率相当于卡诺循环，但效率的真正的发动机是只有一小部分的价值，即使是在高度优化的引擎。

Radiation from a fiber coupled diode (core diameter 0.4 mm, N.A. 0.3) is coupled into Tm5% at.,Ho(0.5% at.∶GdVO4 crystal by a pair of achromatic lens for end pumping. Output power of 3.6 W at 2.048 μm is obtained under pump power of 14 W and emission wavelength of 794 nm. The optical-optical conversion efficiency is 25.7% and slope efficiency is 26.6%.

在液氮制冷晶体条件下，利用光纤耦合激光二极管及消色差光学耦合系统端面泵浦双掺5％Tm，0.5％Ho∶GdVO4晶体，在泵浦功率14 W、泵浦波长794 nm时，实现了2.048 μm激光输出，连续运转输出功率3.6 W，相应的光光转换效率为25.7％，斜率效率26.6%。

The model for calculating the output power and efficiency for micro-thermoelectric generate device was built up based on the consideration of such factors as heat source resistivity, thermal conduct overlay piece, current conduct layers and the influence of Thomson effect.

考虑热电式微小型电源的接触内阻、结构的覆盖层、导流层等因素，以及汤姆逊效应对输出功率和效率的影响，建立了微小型热电发电器输出功率和效率的精确数学计算模型。

In the second chapter,I calculate the diffractive efficiency when there arealignment error,depth error of the step and the work was elength error,based on the theory ofthe fresnel lens.

第二部分文章在介绍菲涅耳透镜设计原理和衍射效率计算的基础上，重点分析了存在各种加工误差时候的衍射效率的计算情况。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。