PD signal is weak signal, so the first problem of on-line monitoring is how to pick up the weak anti-stationary random signal.

由于局放信号属于弱脉冲信号，因此实现在线监测的首要问题是如何从强干扰中提取弱的非平稳随机信号。

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How to seek new breakthroughs in points in the crisis and how to pick up in the global economy after a quick upgrade?

怎样在危机中寻求新的突破点，怎样在全球经济回暖后快速升级？

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Knowing how to pick up the right clothes according to the weather.

能依据天气变化选择适当衣服。

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"You want to make sure that you start out with a relationship between the two people that go on this mission that is on really solid footing, that they know how to pick themselves up after a falling-out, " Poynter said.

CNN: 501 days in space with your spouse: Could you handle it?

In Oregon, researchers will look at research plots of potatoes that are artificially under-watered and under-fertilized to see how quickly the aircraft can pick up those details.

WSJ: Farmers Experiment With Drones

Stories abound of how she has exploited friends, belittled her ex-husband and once tried to back over a gardener in her pick-up truck.

ECONOMIST: Face Value