使用好的晒印像片比使用互补色立体投影还好。
The use of a good contact print is superior to that of an anaglyphic projection.
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。
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.
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