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本文对国外4种农村无线电通信系统作了简要介绍,并归纳出农村无线电通信设备向数字化、多频段、大覆盖范围发展的趋势。
In this paper, four kinds of rural radio communication systems abroad are briefly introduced, and the trend of rural radio communication equipment to digitization, multi-band and large coverage is also summarized.