Speca斯佩卡specabbr.细则；规格(=specification)abbr.投机（=speculation)abbr.特别；特别地（=special/specially)spectra property光谱性质spectra of graph图的谱specified domain具体领域Spectra branches光谱支spectophotometry分光光度法spectroprojectorn.光谱投射器spectrochemistryn.光谱化学specular density单向密度,定向密度spectrophotometrv分光光度法Spectrophotometiy光度法