Then the methods of how to compensate the error amplifier is introduced, a double-zero, double-pole construction is analyzed individually.
引入了误差放大器的频率补偿的方法，并着重分析了双零点、双极点的补偿电路。
In the deep footing groove maintenance construction and, the pole pressure in the soil near to the top of the ground, with the going on of the excavation process, will increase gradually.
对深基坑围护结构，靠近地表的土体，随着施工中土体开挖深度的增加和开挖范围的推进，桩体土压力是在逐渐的增加的；
It describes that tower construction technique, process, strength calculation and apparatus selection by using the internal gin pole.
并介绍内抱杆组立铁塔施工技术、施工工艺、受力计算和工器具选择。
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