弥漫X射线背景 diffuse x ray reflection: 漫射x射线反射diffuse x-ray: 弥漫diffuse x-ray peak: 弥散x射线峰; 弥散X射线峰; 弥散射线峰diffuse x-ray reflection: 漫射x射线反射; 漫射x线反射x-ray background radiation: x射线本底辐射下载手机词典可随时随地查词查翻译