spectrum art波普艺术spectrumn.系列；幅度；范围；光谱；[科]频谱spectrum simulation model波谱模拟模型spectrum feature analysis频谱特征分析spectrum utilization plan频谱利用规划spectrum-characteristic红外辐射spectrum analyzer circuit频谱分析电路spectrum characterization光谱特性spectrum standard samples光谱标准样品spectrum theoretical model理论模型Spectrum of energy density能量密度谱spectrum suppression ratio频谱抑制比