现今的互联网上，以光束形式在光纤中穿行的数据必须转换成电信号来处理。
In today's Internet, data traveling through optical fibers as beams of light have to be converted to electrical signals for processing.
现今无线通信技术飞速发展，利用无线电信号进行数据传输的技术已经成熟。
This paper presents a real-time monitoring system on the SO2 concentration base on wireless communications and GPRS technology.
现今无线通信技术飞速发展，利用无线电信号进行数据传输的技术已经成熟。
This paper presents a real-time monitoring system on the SO2 concentration base on wireless communications and GPRS technology.
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