Fourier谱分析
Fourier spectrum analysis
Hilbert-Huang谱分析
Hilbert-Huang spectrum analysis
尿样γ谱分析
Urine γ-spectrometer Measurement
土壤样品γ谱分析
soil sample gamma spectrum analysis
色谱法红外分析仪
chromatography infrared analyzer
质量分析离子动能谱技术
asymmetric tunnel barrier