grayingn.变灰动词gray的现在分词.grayadj.灰色的；暗淡的n.灰色；暗淡v.变灰色；使 ... 变灰色Grayn.格雷(男子名)Gray-level morphology灰度形态学gray concurrence matrix灰度共生矩阵gray-level redundancy灰度冗余Gray leaf spot pathogen玉米灰斑病菌gray relevance analysis灰色关联分析Gray relational entropy灰关联熵Gray-browed Spinetailn.灰眉针尾雀Gray association matrix灰关联矩阵Gray-cheeked Parakeetn.灰颏鹦哥gray matter heterotopia灰质异位