In which design much relation have to be dealt with and many chart and data have to be consulted.
在设计中要处理诸多关系，查阅大量图表资料和数据。
The chart and the bottom are a rightness of important concepts, It has a relation of the economical rate, consciousness of the mankind sense of vision mental, and the simplification rate relevant.
图与底是一对重要的概念，它与人类视觉的节省率、知觉心理、简化率有关。
According to the calculus relation, the internal force chart can be gained by confirming the begin points, figure shape, ending points. This method is simple and easy to be grasped.
这种方法根据微积分关系，确定曲线的始点、形状和末点，即可直接得到不同外力作用下平面弯曲梁的内力图，简捷且易掌握。
According to the calculus relation, the internal force chart can be gained by confirming the begin points, figure shape, ending points. This method is simple and easy to be grasped.
这种方法根据微积分关系，确定曲线的始点、形状和末点，即可直接得到不同外力作用下平面弯曲梁的内力图，简捷且易掌握。
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