各基础节点通过访问本单位的“数字粮食”系统进行工作，实现信息上传和命令接受。
Each basis node work via visit the digital grain system in their own department, upload the information and receive orders.
结合s - 12数字程控交换机人机命令查询系统介绍信息查询系统的具体实现。
It presents the realization of information query system depending on S-12 digit program control switch command system.
传统模拟电视中通常只采用控制命令来调度程序，而数字电视的功能和任务相对增多，需要实时系统来控制。
There is no operating system in traditional television, which use control commands to manage system. The digital television has more functions and tasks, so it needs the real-time system to control.
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