除此之外，改变数据集的分布也是常用办法，本文采用的办法是过取样和欠取样。

It is more difficult way according to changing the structure of dataset directly which is a popular method.

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另使用了一限流型过流保护电路来对输出电流进行限制，并通过改变电流取样电阻的大小来调节限流值的大小。

Another limiting the use of one type over-current protection circuit to limit output current, and by changing the size of the current sampling resistor to regulate the size of current-limiting value.

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对陕西地区过湿黄土地基的地质结构及物理力学性质开展了调研和现场取样试验工作。

The main points are summed up as the following:(1) Investigates and tests the geographical structure and physical force characteristics of over-wet loess subgrade in Shaanxi province.

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