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通过对相对运动速度关联关系的分析,给出了新的图示方法。图中每条有向线段的两个端点(称作节点)分别代表两个研究对象,节点与研究对象之间一一对应,各节点之间的空间关系呈现了各研究对象之间相对速度的关联关系。而且通过多道例题的求解介绍了这种图示方法的具体应用。
Through the analysis of the relationship between the relative speed of movement, a new pictorial method is given. The two end points (called nodes) of each directed segment in the graph respectively represent two research objects, one correspondence between the nodes and the research objects, and the spatial relationship among the nodes presents the relative speed between the research objects connection relation. Moreover, the concrete application of this kind of graphic method is introduced through the solution of many cases.