短語詞組短語spectrum quantitative analysis 光譜定量分析spectrum matrix analysis 譜陣分析spectrum figure analysis 光譜圖分析spectrum energy analysis method 波譜能量分析方法frequency spectrum detail analysis 頻譜細化分析方法spectrum signature analysis [電子]頻譜特征分析porosity spectrum distribution analysis 孔隙度譜分析spectrum quantification analysis 波譜量化分析spectrum fourier analysis 頻譜分析 返回 spectrum analysis