A、 是 YES
B、 否 NO
C、 不确定 Not determined
答案:B
A、 是 YES
B、 否 NO
C、 不确定 Not determined
答案:B
A. 1000
B. 1500
C. 2000
A. abcdefg
B. bcdefgh
C. abcdefgh
D. abcefgh
A. ZSSS;
B. ZGGG
C. ZUUU
A. 仅由10级压缩机提供。Supplied by the 10th compressor stage only.
B. 仅由6级压缩机提供。Supplied by the 6th compressor stage only.
C. 由10级压缩机提供,6级按需作为备用。Supplied by the 10th compressor stage, backed up by 6th stage on demand.
D. 由6级压缩机提供,10级按需作为备用。Supplied by the 6th compressor stage, backed up by the 10th stage on demand.
A. 目标反射太阳辐射的大小
B. 目标的温度
C. 目标的高低
A. A 主页和燃油简图页 primary and FUEL synoptic pages
B. B 燃油简图页 FUEL synoptic page
C. C 状态页 status page
D. D 主页 primary page
A. 在暖锋过后的暖气团中
B. 地面有微风且风向不定时
C. 低空有逆温层,而在逆温层上面有强风时
A. ECS简图页ECS synoptic page
B. 状态页 Status page
C. 交流电源简图页 AC ELECTRICAL synoptic page
D. 主页 Primary page
E. 飞行操纵简图页 FLIGHT CONTROLS synoptic page
F. 液压简图页 HYDRAULIC synoptic page
G. 直流电源简图页 DC ELECTRICAL synoptic page
A. 1、4 和5;
B. 2、3 和4;
C. 2、3 和5
A. 系统3使用热交换器而机翼油箱内的燃油用于冷却系统1和2的液压管路。System 3 uses a heat exchanger and the fuel in the wing tanks cools system 1 and 2 hydraulic pressure lines.
B. 系统1和2使用热交换器而系统3不需要冷却。System 1 and 2 use a heat exchanger and system 3 has no special provision for cooling.
C. 系统3使用热交换器而系统1和2不需要冷却。System 3 uses heat exchangers and system 1 and 2 do not require cooling.
D. 系统1和2靠流经回流线的冲压空气冷却而系统3不需要冷却。System 1 and 2 are cooled by ram air flowing across the return lines and system 3 has no provision for cooling.