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。
This paper introduces the Doppler effect on OFDM system in mobile environment.
分析了在高速移动环境下存在的多普勒效应，指出了它对OFDM系统的影响。
However, the ubiquitous and mobile environment presents a new security challenge.
但是这种无处不在性和移动性的环境带来了新的安全问题。
So research on agile supply chain in mobile environment is a significant subject.
因此移动环境下的敏捷供应链研究具有现实意义。
The limitation of mobile environment and devices bring challenges to mobile application development.
移动环境和设备的限制，给移动开发带来了挑战。
It is a more important problem to plan coverage on high-speed mobile environment for operator.
如何解决高速移动环境下的网络覆盖是运营商非常重视的问题。
It is a more important problem to plan coverage on high-speed mobile environment for operator.
如何解决高速移动环境下的网络覆盖是运营商非常重视的问题。
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