对于群体性强占航空器事件应遵循“可散不可聚,( ),可顺不可激”的处理原则

　＇situation＇的中文意思是＇形式 ＇

　＇officer＇的中文意思是＇官方的 ＇

　＇security＇的中文意思是＇保护 ＇

　Area controllers watch dozens of aircraft at once on huge radarscopes.

　I look strong, but actually my health is very poor.

　A service agent must know whether a passport check is required or not.

　The airlines prefer to have the ticket blow up as far in advance as possible .

　Air travel is just as safe and comfortable as any other kind of travel.

　The purpose of the oxygen system is to provide oxygen for the flight crew and passengers when required. Two independent oxygen system are installed in B737.

　Position/remove wheel kicks please.