The paper introduces the thinking and steps of drawing the curvilinear, at the same time presents in detail the program of protracting x-coordinate and the skills of ruler labelling.
介绍了用程序绘制曲线的思路和步骤，详细介绍了横坐标的绘制程序和标尺的标注的技巧。
2
A mathematical model for flow in body fitted curvilinear system was established to simulate flow detail in Taicang reach of Yangtze River.