NextGen地空技术应用后，将减少______的延误
A. 30%
B. 25%
C. 41%
D. 51%
NextGen中的技术CATMT，全称为：
A. Coordinate Air Traffic Management Technologies
B. Collaborative Air Traffic Management Technologies
Collaborative Air Transfer Management Technologies
D. Collaborative Air Traffic Messages Technologies
NextGen的核心技术不包括：
A. SWIM
B. ADS-B
CATMT
D. I4DT
NextGen的英文全称为Next _____ Air System
A. Generation
B. Transportation
C. Gate
D. Traffic
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