切换是LEO卫星移动通信系统中移动性管理的一个重要组成部分。
Handoff is an important part of mobile management in LEO satellite communication system.
移动台，移动通信系统，越区切换控制方法。
Mobile station, mobile communicating system, and over-zone switching control method.
切换问题是移动计算环境中最基本的问题。
Handover is the most basic problem in the mobile environment.
切换问题是移动计算环境中最基本的问题。
Handover is the most basic problem in the mobile environment.
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