The coloursystem used by scientists and artists are completely different.
颜色系统由科学家用了，而且艺术家是完全地不同的。
2
The preparative work includes coloursystem, selection of colour difference formula, standardization of dyes and chemicals, etc.
利用配色仪进行色彩管理的前期准备，包括：表色体系、色差公式的选择，染料标准化等。
3
Sprayed the coloursystem to the surface of the steel substrate to have color reaction, contrast the standard color levels to analyse to the steel extent of corrosion.