UNDERSTANDING THE NEW U.S. NATIONAL SPACE POLICY，John M. Logsdon Director, Space Policy Institute Elliott School of International Affairs The George Washington University Washington, DC, USA

航空公司票务管理系统，支持备份，还原，包括票务管理，政策管理，用户管理，权限管理，统计计算，网络数据传输等功能-The airline ticket management system, support for backup, restore, including ticket management, policy management, user management, authority management, statistical computing, network data tran

由我自己建立的Matlab2012b无人机飞行控制系统模型，并与SIMULINK的Stateflow工具在一起，实现了飞行控制，由Stateflow提供了控制策略，由SIMULINK构建了无人机模型的被控对象，并结合PID控制，实现全过程的监控-Matlab2012b UAV flight control system model created by my own, and with the simulink in Stateflow tools together to form one of