最好别用翻译软件。。。。翻了等于没翻
Symmetrical components, in addition to being a powerful analytical tool, is also conceptually useful. The symmetrical components themselves, which are obtained from a transformation of the ordinary line voltages and currents, are useful in their own right. Symmetrical components have become accepted as one way of describing the properties of many types of network elements such as transmission lines, motors and generators.
谢谢啦！！
注意是电气专业的英语 要是直接用软件翻译我就不用上这来了。。。。
