Learn some basic principles of colour theory. Familiarize yourself with the 4 basic dimensions of colour: hue, value, intensity and temperature.
学习一个基本的颜色原理，熟悉颜色的四个基本的维度：色调，明暗，强度和色温。
The intensity of the colour is a measure of the purity of the product.
颜色的强度是产品纯度的一种量度。
He-Ne laser is used to reconstruct the light intensity distribution of the three colour informations and record a colour hologram on a holographic plate.
用单色激光同时再现出记录的三种颜色信息的光强分布，并将它们记录在同一张全息片上作成彩色全息图。
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