ballistic recording camera
弹道记录照相机

• W-type optical fibre
• wurtzite
• w-wire
• wye
• wye level
• xanhopsia
• X-ary diffraction topography
• xaser
• X-axis
• X-band
• X-component
• X contact
• X-coordinate
• X-cut crystal
• XeF laser
• Xe-lamp
• xenon
• xenon-acr lamp
• xenon excimer laser
• xenon-filled flashtube
• xenon-filled linear flash lamp
• xenon flash lamp
• xenon flashtube
• xenon-helium laser
• xenon lamp