Mscomm Control of Microsoft is used to perform serial communication and PDU(Protrocol pescription unit) model short message is sent based on AT instruction.
无线收发模块是实现信息无线传输的关键部件，通过AT指令与计算机和微控制器通讯，电表数据以短信息方式传输。
Network-based teaching study is a form of teaching study based on Internet and distance-teaching network, it can be used to teaching instruction, studying, communication and training.
网络教研是基于互联网和遥程教育网入行教育教授教养指点、研讨、沟通、交流、培训的教授教养研讨形式。
Network-based teaching study is a form of teaching study based on Internet and distance-teaching network, it can be used to teaching instruction, studying, communication and training.
网络教研是基于互联网和遥程教育网入行教育教授教养指点、研讨、沟通、交流、培训的教授教养研讨形式。
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