packet switching equipment 中文意思是什麼
packet switching equipment
解釋
包交換設備-
900 1800mhz tdma digita cellular mobile telecommunication network test methods for general packet radio service switching sub - system equipment
900 1800mhz tdma數字蜂窩移動通信網通用分組無線業務gprs設備測試方法:交換子系統 -
900 1800mhz tdma digital cellular mobile telecommunication network technical specification for general packet radio service switching sub - system equipment
900 1800mhz tdma數字蜂窩移動通信網通用分組無線業務gprs設備技術規范:交換子系統
分享友人