photostarn.发光星体(光星)adj.发出光的photon.照片v.拍照photochemical nitrification光化学硝化作用photosensor scanning method光敏扫描法photogrammetric measurement照相测量photortic crystal waveguide光子晶体波导photo chemical luminescence光致化学发光photoelectricity insulating光电隔离photo scattering resistance抗光致散射photo-cathodic protection光阴极保护photolectric smoke detector[电] 光电探烟器photomagnetoelectric theory光电磁理论