若要组成色彩转换矩阵，从单位矩阵开始是很方便的方式，然后做小幅度变更来产生想要的转换。
A convenient way to form the matrix of a color transformation is to start with the identity matrix and make a small change that produces the desired transformation.
本文根据稀土元素的原子结构特点，探讨其在陶瓷颜料中的成色机理。并指出研究稀土陶瓷颜料组成结构和发色机理的重要性。
The colouring mechanism of re in ceramic pigments was discussed on the basis of their atomic structures. The importance of studying the composition and chromatic mechanism was showed.
球粒均由多晶体组成，且成色极高。
Each gold grain is composed of many crystals (multi-crystal form) and has a higher purity.
球粒均由多晶体组成，且成色极高。
Each gold grain is composed of many crystals (multi-crystal form) and has a higher purity.
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