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ground-based augmentation system
espac.	地基增强系统
Inglés tesauro
ground-based augmentation system
avia., amer.	An augmentation system used to meet precision approach CAT I, CAT II and CAT III accuracy, integrity, continuity and availability requirements. • see also : wide area augmentation system (WAAS)
Ground Based Augmentation System
abrev., avia.	GBAS (Interex)