这种变调类型主要存在于壮侗语和南方汉语之中，透露着语言的底层色彩。
The tone sandhi pattern exists in Zhuang-Dong languages and southern Chinese dialects and reveals underlying representives of languages.
把原始图像分层，对每层分别提取底层特征，计算显著性特征，包括亮度显著性、饱和度显著性和色彩显著性。
And then for every layer, basic characteristics were extracted, and saliency characteristics including intensity saliency, saturation saliency and color saliency were calculated.
目的对比不同金属基底和遮色瓷厚度对金瓷修复体色彩的影响，力求找出能有效遮住底层冠金属色的最佳遮色瓷厚度。
Objective To compare the color differences of different metal bases and different opaque thickness, and evaluate the best thickness of opaque on different metal bases.
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