useful work

Some of the heat is used directly or produces useful work ;

一些热量可直接使用或产生有用功；

30 per cent of the current in the circuit is not doing useful work .

这电路中30%的电流不在做有用功。

But how do you get an object to do useful work for you ?

但是你怎么能让一个对象去为你有效地工作呢？

Every boy when he is young should learn some useful work .

每个男孩从小就应学会一些有用的技能。

In recent years , many scholars have done a lot of useful work in this area .

近年来，也有不少学者在此领域做了许多有益的工作。

Context-switch time is overhead ; the system does no useful work while switching .

上下文切换的时间开销较重；在切换时，系统没有做有用的工作。

Atomic energy has been tamed and harnessed for useful work .

原子能已被征服并得到实际利用。

Since everything has two sides , even corrosion which seems so harmful can do useful work for us .

既然一切事物都有两方面，即使看起来似乎十分有害的腐蚀性也可能对我们有用。

The more useful work a visual element can accomplish while still retaining clarity , the better .

一个视觉元素越能在完成更多工作的同时表达仍然清晰，就越好。

Some useful work has been done by Shanghai Research institute of Chemical industry in its development of nitrophosphate .

上海化工研究院在硝酸磷肥的开发中，作了一些有益的工作。

In this system , the useful work about software portability and improvement of Z-80 development environment is achieved .

在这个系统中，对软件的可移植性及Z-80开发环境的改善作了一些有益的探讨。

Am I having threads do useful work while waiting for device I / O operations to complete ?

我的线程在等待I/O设备完成前作了什么有用的工作了么？

It 's very useful work to establish a simulation training system of biochemical reaction for pharmaceutical industry and higher education of engineering .

对于反应过程复杂、反应周期长的生化反应建立起切实可行的仿真培训系统，对制药业和高等工程教育都有实用意义。

It is mainly formed by the imperfection , limitation and some destruction of " useful work " .

负价值主要是由有用劳动的缺陷性、局限性和某些破坏性形成的。

Some hapless programmer is then pulled off useful work and forced to work on this new feature .

然后，一些不幸的程序员将会被强制停止有用的工作，并着手添加这个新的特性。

Better if the signal was also socially productive , so that I could hand out bread in exchange for useful work .

更好的办法是让发出的信号还能带来社会生产力，这样我就可以拿面包交换有用的劳动。

In other words , the best staff could do as much as five times the useful work of the least productive staff .

换句话说，最好的职员能够做5倍于最差职员的工作。

This paper discusses the availability function , giving general formula for calculating the losses of useful work in all kinds of thermodynamic processes .

本文综合论述可用能函数的热力学基础，有最常见的热力过程可用能量损失的计算公式。

Work created through the program is typically useful work that would not otherwise be done in poor neighborhoods for lack of finance .

通过本工程新建的设施发挥了重要作用；如果没有该工程，由于缺乏资金，这些设施将不可能在贫困社区建成。

The result is that you will spend more time moving pages in and out of memory than you will getting any useful work done .

其结果就是，比起真正要做的有用的事来，您需要花费更多的时间来将页移进和移出内存。

There 's a great deal of scope for architects in China and a lot of useful work to be done in our modernization program .

在中国建筑师是大有作为的，而且我们的现代化工程中也有很多有益的工作要做。

While one thread is delayed awaiting completion of an I / O , another thread is able to do useful work .

当一个线程由于等待完成I/O处理而被延迟时，另一个线程可执行一些有用的工作。

Engines transform heat released in combustion into useful work that ultimately turns the vehicle 's wheels propelling it down the road .

引擎将燃烧过程产生的热量转化为有用功，进而转动车轮带动车辆在路上行驶。

It was interesting , decently paid , useful work , he told me at the holiday gathering where we 'd met .

他在假期聚会上与我碰面时告诉我，这份工作很有意思，收入丰厚，而且挺有意义。

Competition between the Huns and the Mongol tribes useful work of Han Dynasty , the tribe was not a one .

比较匈奴和蒙古部落，其实都是在为汉王朝效力，不只是部落这一个。

Wave power refers to the capture of ocean wave energy to do useful work including electricity generation , desalination , and filling a reservoir with water .

海浪发电是指海洋波浪能捕捉到做有益的工作，包括发电，海水淡化，并填补了水水库。

According to the Center for Strategic and International Studies , about three quarters of the energy we use to move things , including ourselves , accomplishes no useful work .

战略与国际研究中心表示，包括我们自己在内，我们用来移动事物的能量中，有约四分之三的能量没有产生有用功。

It is possible to do this process of burying deliberately , and in this way the unconscious can be led to do a lot of useful work .

这种深埋过程有可能有目的地加以实现，这样我们就可以利用无意识思维做许多事情。

Many capable people doing very useful work today were trained during the War of Resistance Against Japan , and they are known as cadres of the " 38 type " .

现在，很多很有用的人才是在抗日战争时期培养起来的，这就是所谓三八式的干部。

Middle-class Anglos knew them as construction workers , maids , cooks , truck drivers & people doing useful work but a class apart .

中产阶层的盎格鲁人都知道拉美裔不是建筑工人、女佣，就是厨师、卡车司机，做着有用的工作、但属于不同的阶层。