Particular care should be taken with this approach (and any approach that uses the system() function, backticks, or any user-provided input to do file operations).

尤其要注意这种方法（以及使用 system() 函数、重音号或任何用户提供的输入来进行的文件操作）。

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SCDMA traffic statistic system is the important part of UEMC system, its main function is to provide the management and maintenance operations on the traffic information.

SCD MA话务统计系统是统一网管接口系统中重要的组成部分之一，主要提供对话务信息的管理和维护操作。

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In the system requirements analysis, the system's overall operations, business processes and the nine modules 'function are described in detail.

在系统需求分析中，对系统的总体业务以及业务流程进行了详细说明，对九个模块的功能进行描述。

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