precision of alser ranging
激生测距精度

• gyromagnetic spin system
• gyrometer
• gyropilot
• gyroscope
• gyroscopic camera mount
• gyroscopic clinmeter
• gyroscopic theodolite
• gyro sextant
• gyrosight
• gyrostabilizer
• gyrostat
• gyrosyn
• gyrotron
• gyrotropic bi-refringence
• gyrotropi crystal
• gyrotropy
• hackle zone
• hafnium
• Haidinger fringe
• haidinger fringes
• Haidinger rings
• Haidinger's brush
• Haidlinger brush
• hair
• hair hygrometer