The technology of GSM short message service(SMS) has been perfect in many fields, such as remote monitor, data collection, and wireless alarm.
终端式手机短信息服务是通过移动终端发送有限长度文本短信息的技术，具有价格低、灵活方便等诸多优点。
The technology of GSM short message service(SMS) has been perfect in many fields, such as remote monitor, data collection, and wireless alarm.
终端式手机短信息服务是通过移动终端发送有限长度文本短信息的技术，具有价格低、灵活方便等诸多优点。
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