词汇	数据库存
释义	数据库存医data bank
随便看	spectral radiation characteristic spectral radiation exitance spectral radiation standard spectral-radiation thermometer spectral radii spectral radiometer Spectral radiometric calibration spectral radiometry spectral radiosity spectral radius Spectral radius of a matrix spectral radius of matrix spectral raised cosine pulse spectral range spectral ratio Spectral-ratio method spectral ratios spectral receiver Spectral recognition Spectral Recognition Model Spectral reconstitution technique spectral reconstruction spectral red shift Spectral reduction spectral reflectance