对采用坐标展点器展绘碎部点坐标所测绘的大比例尺地形图的精度进行了系统地分析，并定量地给出了采用不同测距方式展点测图的点位中误差。
The precision of a large scale topographic map is systematically analyzed, which is measured and drawn with the help of coordinate point distributor for the distribution of the detailed points.
该方法不依赖于系统的精确模型，将待控制量的误差及其变化率作为输入，根据控制要求建立模糊规则，实时输出比例、积分、微分系数的修正量，从而改善控制效果。
This method does not depend on the precise model, and establish the fuzzy rules under certain control requires. It can improve the Control results by adjusting the parameters in time.
该方法不依赖于系统的精确模型，将待控制量的误差及其变化率作为输入，根据控制要求建立模糊规则，实时输出比例、积分、微分系数的修正量，从而改善控制效果。
This method does not depend on the precise model, and establish the fuzzy rules under certain control requires. It can improve the Control results by adjusting the parameters in time.
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