Then the curve charts of the melting-points and viscosity are drawn.

绘出了熔点曲线图及粘度曲线田。

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Finally, Comparison between the two curve charts was drawn, and the existing problems were found to help for special treatment.

最后作出两者的对比曲线图，找出存在的问题，有利于进行专项整治。

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An instance of curve charts is cited in illustration of operational steps of plotting, and the graphics examples of computer drawing are given as well.

以曲线图为例，介绍了作图的操作步骤，并给出了计算机所绘制的图形实例。

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