horizontal
(1)地平的
(2)水平的
(3)横的
(4)卧式的

• Konsanta
• Kosters interferometer
• Kovar
• Kramers-Heisenberg dipersion formula
• Kramers-konig analysis
• Kromscope
• Kron camera
• kryopton
• kryotron
• krypton-argon
• krypton discharge source
• krypton fluoride laser
• krypton lamp
• krypton laser
• krypton lasers
• krypton light sources
• K-series
• K-shell
• KS perforation
• KTN grating
• Kubelka-munk theory
• kuruling knob
• K value
• kyanite
• kymograph