xelCOCA¹⁰⁶⁴¹² 基本例句 abbr.可扩展工程师语言代号=extensible engineer language ; XeCl excimer laser 氯化氙准分子激光器 The samples were characterized by X- ray diffraction XRD, Scanning electronic microscope SEM, photoluminescence PL and X- ray excited luminescence XEL spectra. 分别以 X-射线衍射 XRD、扫描电子显微镜 SEM、光致发光 PL光谱及 X-射线激发的发光 XEL光谱对样品进行了表征。 cnki