standard depth of shade meaning in English

标准色浓度

Standard depths of shade
标准色泽度
Standard depth of shade
标准色浓度
Testing of pigments - tests on specimens having standard depth of shade - part 1 : standard depths of shade
颜料试验.有标准色度试样的试验.第1部分:标准色度
Testing of pigments - tests on specimens having standard depth of shade - part 2 : adjustment of specimens to standard depth of shade
颜料试验.有标准色度试样的试验.第2部分:按标准色度