The system uses the Structured System Analysis and Design method.
系统使用了结构化的方法进行分析和设计。
Pilots inform controllers via a highly structured system where they plan to fly.
飞行员通过一个高度严格的系统通知管制员他们计划飞往何处。
It is an open-structured system for users to edit, revise and develop more functions.
该系统应是开放式结构,可供用户编辑、修改,并能进行功能开发。
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