Based on the screen coordinate theory of solid diagram of complementary color, a perspective projection diagram of space surface is drawn using floating horizontal line method.

利用求补色立体图屏幕坐标原理，采用浮动水平线法来绘出空间曲面的透视投影图形。

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The ORTEP diagram shows that the cation adopts an eclipsed conformation in the solid state.

从奥尔特普图可以看出，阳离子在固态时呈重叠式构象。

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To model inheritance on a class diagram, a solid line is drawn from the child class (the class inheriting the behavior) with a closed, unfilled arrowhead (or triangle) pointing to the super class.

为了在一个类图上建模继承，从子类(要继承行为的类)拉出一条闭合的，单键头(或三角形)的实线指向超类。

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