短語詞組短語visible fluorescence emission spectrum 可見熒光發(fā)射光譜no fluorescence emission spectrum no 熒光發(fā)射譜fluorescence excitation and emission spectrum 熒光激發(fā)和發(fā)射光譜low temperature fluorescence emission spectrum 低溫熒光發(fā)射光譜emission fluorescence spectrum 發(fā)射熒光光譜fluorescence excitation -emission matrix spectrum 激發(fā) 返回 fluorescence emission spectrum