airborne laser rangefinder
机载激光测距仪

• half-silvered
• half-silvered mirrors
• half-space
• half-symmetric resonator
• half-symmetric unstable resonator
• half-tone
• half-tone dot reproduction
• half-tone image
• half-tone plate
• halftones
• halftone screen
• half-value angle
• half-value layer
• half-value thickness
• half-value with
• half-wave
• half-wave detector
• half-wave dielectric layer
• half-wave element
• half-wave plate
• half-wave radiation
• half-wave rectifier
• half-wave retarder
• half-wave voltage
• half-wave zone