介绍了为了获得我们所需要的颜色效果，曝光前对物体表面涂色的选择，以及彩色反射全息图的制作过程。

Before the exposure, the surface of the object were coated with paints according to the reflection effect we expected.

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通过从来自一个特殊设计的全息图(这里用彩色圆圈来表示)的激光光束的反射，物理学家创造了(用彩色结来表示)暗丝结。

By reflecting a laser beam from a specially designed hologram (shown here as the colored circle), physicists created knots of dark filaments (represented by the colored knot).

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