这是快捷但非恰当的判断方法，并且我敢确定您会发现更多的判断方法。
That is the quick and dirty, and I'm sure you'll find that there is a lot more.
该方法有效地拉大了故障馈线与非故障馈线故障判断量的差距，极大地提高了保护裕度。
This method increased effectively the difference of the fault judging quantity in fault feeder and non-fault feeder, and the protecting abundant degree has been also greatly enhanced.
给出了非初等函数的几种判断方法。
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