A、 J1-200、J201-900
B、 JA-200、JB-900
C、 JK-100、JN-18
D、 J-100、J120
答案:空
A、 J1-200、J201-900
B、 JA-200、JB-900
C、 JK-100、JN-18
D、 J-100、J120
答案:空
A. stars in the sky
B. standard traffic circuit
C. standard terminal arrival route
D. standard time of arrival
A. higher than 10000m
B. higher than 9000m
C. at 12000m or higher
D. higher than 12000m
A. 350
B. 90
C. 75
D. 50
A. . at a point where the aircraft can resume its own navigation
A. GACDK
B. Aircraft
C. Station
D. either B or C
A. light aircraft
B. propeller aircraft
C. jet aircraft
D. helicopter
A. lightning
B. hail
C. birds
D. gravel
A. 3600
B. 4000
C. 4500
D. 5000
A. performed
B. procedure
C. position
D. progress
A. 100Mhz~350Mhz
B. 10Mhz~136.975Mhz
C. 2Mhz~29.9999Mhz
D. 30Mhz~300Mhz