raysn.射线名词ray的复数形式.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）raypath trajectory射线路径轨迹ray crack detector射线探伤仪Rayleigh scatterer瑞利散射器ray diffractometer射线衍射仪Rayed Trough Shelln.射线马珂蛤(马珂蛤超科；马珂蛤科)ray-based method声线法Raynaud's syndrome降水资源调控ray bending method射线弯曲法ray tracing method射线描述法Rayleigh criterion瑞利判据,瑞利准则