UV-visible photoemitter
紫外–可见光光电[子]发射体

• projection angle
• projection display
• projection distance
• projection drawing
• projection Ektar lens
• projection eyepiece
• projection grinder
• projection image
• projection interferometer
• projection kinescope
• projection lamp
• projection lantern
• projection lens
• projection lens jacket
• projection marking
• projection microscope
• projection objective
• projection optics
• projection optimeter
• projection perimeter
• projection photometry
• projection surface
• projection tripod
• projective geometry
• projective layer