同义词
1)retrodirection reflector,後向反射器2)retrodirective reflector,後向反射器3)passive retrodirective element,被动後向反射器4)cat's-eye retroreflector,猫眼後向反射器5)retroreflectance,後向反射6)laser back scatter device,激光後向射装置7)retroreflector,後向反射镜後向反射镜8)Rutherford backscattering method,卢瑟福後向散射法9)retrodirective reflection,後向反射，逆向反射
