而小区中心用户仍然由单个小区为其提供服务。
In the meantime, cell-center users are still served by one cell.
在电梯远程监测中心系统稳定运行基础上，面向小区用户开发了电梯远程监测楼宇系统的主要模块。
On the base of stable running of Center System, we developed the main modules of Building System.
在电梯远程监测中心系统稳定运行基础上，面向小区用户开发了电梯远程监测楼宇系统的主要模块。
On the base of stable running of Center System, we developed the main modules of Building System.
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