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1·The practice proved that the control effect is good and the unit efficiency is maximized.

实践证明，控制效果良好，使机组效率最大化。

2·Combining the variable frequency condensing pumps with the turbine driven feed water pumps can reduce the auxiliary power consumption and improve the unit efficiency.

将变频凝结泵与汽动给水泵联合使用，降低了厂用电，提高了机组效率。

3·At present, in order to dispatch load, lots of hydropower stations need to use the unit efficiency curve, which more or less has some errors because it is obtained by model test.

目前许多电站负荷分配需要使用机组效率曲线，但是由于机组效率曲线是通过模型机得来，在实际运行中难免会有误差。

4·Liaocheng power plants 600mw unit cant perform the switching operation from governing valve mode to sequence valve mode, which has long been a problem and affected the unit efficiency apparently.

聊城电厂600 MW机组投产以来一直存在调节阀无法切顺序阀运行问题，对机组的效率影响较大。

5·Besides efficiency, durability and reliability, the most important requirement for solar cells was how much power they could generate per unit of weight.

它在除了功效、耐久性和可靠度之外，最重要的要求是电池每重量单元能产生多少功率。

6·Mercer says this boosts the efficiency of the CHP unit to over 70%.

默瑟说，这种做法可以使热电联产的效率提高超过70%。

7·All this is inevitably expensive, but Mrs Cheung insists that greater scale creates greater efficiency and reduces the cost per unit of output.

这一切必定花费高昂，但张女士坚持认为，规模愈大，效率愈高，而且每单位产量的成本也愈低。

8·There is some CPU overhead in performing the dictionary translation, however there is also an improvement in disk IO efficiency as more data can be retrieved per IO unit.

在执行字典翻译时有一些CPU开销，但是在磁盘IO效率上也有一个提高，在每个IO单元更多数据可被检索。

9·According to this logic, the way to increase efficiency end drive down unit costs is to limit product variety and produce a standardized product in large volumes.

据此逻辑，提高效率而压缩单位成本的方法就是限定产品种类，并且进行标准化批量生产。

10·Improving efficiency is doable and industrial users have done it, cutting the amount of water needed to make each tonne of steel and each extra unit of GDP in most rich countries (see first chart).

要改善用水效率是绝对可行的，且富裕国家的工业人士早就在做，为每一顿钢铁节省用水，以增加国民所得的每一个单位(见下图)。