For the voltage controlled system model, polepoint method is taken to design the PID controller, and good result is achieved.
对于电压控制对象模型，采用极点配置的方法设计PID控制器，均取得了较为满意的控制效果。
2
The South Pole would be the check point on circuit, snatching the data from space, processing them in computers and relaying them to the rest of the world.
南极将是轨迹的检查点，从太空中获取数据，用电脑处理，然后将数据传送到世界其他地方。
3
One of you asked this question. “Does a magnetic compass point to the North Pole?”