far-infrared ectrophotometerfarinfrared spectrophotometer远红外: far infrared分光: spectral; beam split光度计: photometer; photometric rece ...红外分光光度计: ftir; infrared spectrophotometry; infrared ectrophotometer; isp(infrared spectrophotometer); perkin elmer spectrum one远红外绝对分光光度计: far infrared absolute spectrophotometer下载手机词典可随时随地查词查翻译