skiagraphy    X射线照相学

qualimeter    X射线硬度测量仪

X-ray powder method    X射线粉晶法

X-ray powder pattern    X射线粉末图谱

X-ray powder diffraction    X射线粉末衍射

X-ray crystallography    X射线结晶学

X-ray crystallographic analysis    X射线结晶学分析

X-ray fluorescence    X射线荧光

X-ray fluorescence spectroscopy    X射线荧光光谱学

X-ray fluorescence spectrometer    X射线荧光分光计

X-ray fluorescence analysis    X射线荧光分析

X-ray fluoroscopy    X射线荧光检查

X-ray diffraction    X射线衍射

X-ray diffractometer    X射线衍射仪

X-ray diffractogram    X射线衍射图

X-ray diffraction pattern    X射线衍射图案

X-ray diffraction method    X射线衍射法

X-ray diffraction spectrum    X射线衍射谱

X-ray spectrum    X射线谱

X-ray film    X射线软片

X-ray radiation    X射线辐射

radio examination    X射线透视法

X-ray metallography    X射线金相学

X-ray protection    X射线防护

X-spring    X形弹簧

X-shaped filament    X形长丝

X-shift 沿    X方向位移

X-velocity component    X方向速度分量

X-band image    X波段图象

X-band radar    X波段雷达

X theory    X理论

X particle    X粒子

X-axis    X轴；横坐标轴

X-moment 绕    X轴的力矩

X radiation    X辐射