在空调电控板测试诊断系统中采用了软件信号仿真和硬件信号模拟相结合的设计方法，最后采用多线程、多优先级的编程技术进行实现。

This system is designed by employing the method of combining signal emulation with signal simulation in addition to multithreading and multi-priority programming technology.

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利用CAN总线数据帧的标识码设置传输报文的优先级，通过设计优先级晋升算法来改善多轴嵌入式数控系统报文数据通信的实时性和有效性。

The key design techniques of CAN interface were discussed. The priority of the transmitting message was set in terms of the identification code of CAN frames.

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把那些耗时多的任务安排在后台并由辅助线程实现，从而系统可按优先级来调度它们。

We arrange those tasks need more time span as backstage tasks which to be performed by worker threads. So the system can schedule them by priority.

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