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fine guidance sensors
avia.	精密制导传感器; 精确制导传感器
space	精制导敏感器 (美国哈勃太空望远镜上的)
fine guidance sensor
avia.	美国哈勃太空望远镜上的精致导敏感器
el.	精密制导传感器
space	制导精密传感器
English thesaurus
Fine Guidance Sensor
NASA, abbr.	FGS
Fine Guidance Sensors
abbr., astronaut.	FGS (on HST)
IT, abbr.	FGS (on HST, Space)