Speca斯佩卡specabbr.细则；规格(=specification)abbr.投机（=speculation)abbr.特别；特别地（=special/specially)spectroradiometern.分光辐射谱仪specified address详细地址specfic impedance特性阻抗spectriphotometry分光光度法spectrometer slit分光计狭缝specular reflexes镜面反射spectromicroscopen.光谱显微镜spectrophtotmetry分光光度法spectrohelioscopen.太阳单色光观测镜spectrophptometry光度法