短语词组短语peak half width 峰半宽度Peak -width quantitation 峰宽定量half -peak k width 半峰宽度peak width separating rate 峰宽分离度diffraction peak width 衍射峰宽peak half -width 半峰宽chromatographic peak width 色谱峰区域宽度;色谱峰宽peak width method 峰宽法 返回 peak width