Introduce detailed operation environment for the mobile power utility check system, total system design program and system function character.

详细介绍了移动用电稽查系统的运行环境、系统总体设计方案和系统功能特点。

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The UNIX design consists of hundreds of function calls (called system calls) covering simple tasks, such as displaying a character string on the screen to setting task priorities.

UNIX 的设计由大量的函数调用（称为系统调用）组成，其中包括一些简单的任务，如在屏幕上显示字符串来设置任务优先级。

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Function could potentially contain any binary character, it is possible to return a ciphertext containing a system delimiter where one did not previously exist.

函数返回的字符串可能包含二进制字符，所以可能返回包含系统定界字符的密文，而这个定界字符之前是不存在的。

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