Rayen.雷伊rayn.光线；射线；辐射vi.发光；辐射vt.释放射线；用光线装饰n.[动]鳐Ray.n.雷（人名）ray microscopy射线显微术Rayleigh speed瑞利速度Rayeigh number瑞利数, 瑞利判据ray photograph射线照相Rayleigh lidar瑞利激光雷达ray traversing光线遍历ray-gluciron葡萄糖酸铁ray traveltime射线走时Raynaud's signray trajectory射线轨迹,射线路径,光线径迹