说明：  这是一份完整的飞机售票管理系统的软件需求规格说明书,是我课程设计时的题目,今天把它贡献出来,希望有学弟学妹们以后用的着的地方!
(This is a complete plane ticket management system software requirements specification manuals, I design the curriculum topic, today it contributed, with the hope of the future down on the students engaged with the place!)