with simulated serial IO 说明用IO口模拟串口
serial io
串行输入输出
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The serial communication was developed by using asynchronous IO mechanism and multithread technology, which improve the real-time performance of the system.
检测系统的串口通信采用异步IO机制，并运用多线程技术，提高了系统的实时性；
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