hexagonal lenticulation
六角形透镜光栅

• coupler
• coupling
• coupling amplifier
• coupling aperture
• coupling condenser
• coupling efficiency
• coupling factor
• coupling layer
• coupling loss
• coupling mirror
• coupling-ou
• coupling paameter
• coupling spectrum
• course setting compass
• covalent
• covalent bond
• covalent bonding
• covalent crystal
• covalent groove
• covalent liquide
• covariance
• covariant component
• cover
• coverage
• covered wire