SPECTabbr.单光子发射计算体层摄影（=single photon emission computed tomography）specabbr.细则；规格(=specification)abbr.投机（=speculation)abbr.特别；特别地（=special/specially)spectrophoto-meter分光光度计Spectroreta fenestran.窗山钩蛾spectropyrheliometer分光太阳热量计spectro-photometry分光光度法spectroscopic methods分光光度法spectinomycin sulfate硫酸奇放线菌素spectroscopical plate分光板spectra thermal shift热移位spectroscope analysis光谱分析specular reflectivity镜反射率