Colleagues who don't trust one another will need to spend more time watching their backs than doing any useful work.
对于互不信任的同事来说，比起做任何有用的工作，他们需要花更多的时间去小心提防他人。
According to the Centre for Strategic and International Studies, about three quarters of energy we use to move things, including ourselves, accomplish no useful work.
根据战略与国际研究中心的数据，我们用于移动包括我们自己的物体的能量中，约有四分之三没有完成任何有用的工作。
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，约有四分之三的能量没有产生有用功。
As the polymer contracts in one direction, it expands in another, and these movements can do useful work.
当聚合物往某一方向收缩时，则会往另一方向膨胀，这种运动很有用处。
Messaging: In order to perform any useful work, software objects need to be able to communicate with each other.
消息传递：为了完成一些有用的工作，软件对象需要相互通信。
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。
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。
No one knows better than Rotarians the satisfaction that comes from performing useful work.
没有人比扶轮社员们更了解在从事有用的工作中获得的满足感。
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。
In any machine the useful work done by the machine is always less than the work done on the machine.
在任何一部机器里，机器所完成的有用功总是小于对机器所作的功。
Instead, connection pooling allows the idle connection to be used by some other thread to do useful work.
连接池允许其它线程使用空闲连接来做其它有用的工作。
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。
If it isn't, either leave it altogether, or make sure that you only do it after accomplishing the truly necessary and useful work.
如果不是，则不要该项，或者把它放到确有必要和有帮助的事项之后。
When the magnesium is mixed with water, it produces heat, boiling the water to produce steam, which can then drive a turbine and do useful work.
当镁与水混合在一起时，它就会产生热量，让水沸腾产生蒸汽，而产生的蒸汽然后就可以驱动涡轮机，而且也可用来做些有用的工作。
Atmospheric pressure then pushes the piston back down the cylinder, and if anything (such as a pump) is attached to the piston, some useful work can be done.
于是，气压就会再次将活塞推至汽缸底部。而假如有诸如水泵这样的物体与活塞连接，就可以在活塞的带动下完成一些工作。
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。
A computer system user is generally more concerned with storage size, because that is a more direct indication of the amount of useful work that the hardware can perform.
计算机系统用户通常更关心存储器的大小，因为这更直接地表明硬件所能完成的有效工作量。
This power does no useful work in the electrical load nor does it present load to the engine. It does apply load to the generator and limits the capacity of the generator.
它并没做有用功，而且也不是发动机的负载，但是作为发电机负载，限制了发电机的容量。
It is indeed possible that the national tests could click with Mr Neves's results agreements and the Family Fund's education requirement to lift young Brazilians into useful work.
事实上，很可能国家评估同内维斯的“结果协议”以及家庭基金的教育需求殊途同归，为巴西的年轻人带来有益的工作。
The ions pass from the graphite to the phosphate through an intervening electrolyte while the electrons make the journey via an external circuit that allows them to do useful work.
离子通过中间的电解液从石墨极流向磷酸极而电子则通过外部的电路流动，由此作有用功。
Since parallel machine tool come out in the 1990s, the researchers have proposed diversiform parallel architectures and done a lot of useful work of multi-degree-of-freedom parallel architecture.
自90年代并联机床问世以来，研究者提出了多种并联机构的结构形式，并且在多自由度并联机构方面作了许多有益的工作。
This server has DB2 server software installed on it and may or may not be powered on, but it is idle in that it is not performing "useful" work.
这个服务器上安装有DB 2服务器软件，可能已经开机，也可能没有开机，但是由于没有执行“有用”的工作，因而说它是闲置的。
This server has DB2 server software installed on it and may or may not be powered on, but it is idle in that it is not performing "useful" work.
这个服务器上安装有DB 2服务器软件，可能已经开机，也可能没有开机，但是由于没有执行“有用”的工作，因而说它是闲置的。
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