grayite磷钍矿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 image sequence灰度视频序列gray relation grade灰色关联度分析Gray related degree灰色关联度gray-tone pattern灰色调图像, 灰色调型式Gray-rumped Swiftn.灰腰刺尾雨燕Gray-fronted Doven.灰额棕翅鸠Gray type I synapse灰质Ⅰ型触突gray estimate model灰色预测模型gray classification灰类划分gray scale generator灰度级信号发生器