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  • YD/T 2469-2013 面向農(nóng)業(yè)的基于2GHz TD-SCDMA數(shù)字蜂窩移動(dòng)通信網(wǎng)消息發(fā)布類應(yīng)用技術(shù)要求 Information posting servi...2024-01-06
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