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1·The useful power in ac circuit also depends on the current and voltage in the circuit.

交流电路中的有用功率还取决于该电路中的电流和电压。

2·If even a small proportion of this wasted heat could be converted to useful power, it would be a good thing.

如果把浪费掉的很小的一部分热能转换为有用的能量，这都是件好事。

3·Carry the analyse in theory and calculate on useful power and thermal waste of conduct heating machine;

对感应加热器的电效率和热损耗功率进行了理论分析和计算；

4·Pattern matching is another feature found in many, if not most, functional languages, and offers some useful power.

模式匹配是许多（但不是大多数）函数语言中可以找到的另一个特性，它提供了一些有用的功能。

5·For these applications, designers focus on circuits able to convert even the smallest available voltage levels to useful power.

对于这些应用，设计人员集中于电路能够连转换最小可用电压电平到有用功率。

6·The counting expression reflects the general conditions of the useful power of the centrifugal mill, and it proves the feasibility and reason of the expression.

计算表达式基本反映了离心磨矿机有用功率的总体情况，说明其表达式合理可行。

7·The experiments also show that the useful power of the centrifugal mill is account for 40% of the input power, and it is higher than the ordinary ball mill (which account for 30%).

试验还得知，离心磨矿机的有用功率为输入功率的4 0 %左右，高于普通球磨机(30 %)。

8·All those traits will be useful as the global economy's new power player takes on its most annoying problems.

当全球经济的新力量开始处理最烦人的问题时，所有这些特征都将发挥作用。

9·The power of ideas and the ability to turn them into useful things is what propels us forward as a society.

点子 的力量和将它们转化成有用的东西的能力是将我们如社会一样向前推动的源动力。

10·That's when the power of metaphor shines through and becomes something useful to them, helping them survive turbulent change or reach for that next big goal.

这时隐喻的力量就开始闪现并成为对他们有用的事物，帮助他们挺过混乱的变化或实现下一个目标。