airborne laser tracker
(ALT)机载激光跟踪器

• baseline fluctuation
• baseline method
• baseline shift
• baseline stability
• base material
• base peak
• base pitch tester
• base plane
• base plate
• base point
• base region
• base surface finish
• fotoceram
• Foucanlt grating
• Foucault chart
• Foucault knife-edge test
• Foucault prism
• Foucault rotating mirror
• Foucault test
• fouier integers
• foundamental mode
• foundation bolt
• Founhofer hologram
• four channel multiband camera
• four-component objective