Warning: file_put_contents(/www/wwwroot/ppbbu/52065.com/cache/8f6825238c9adcd420efaccde3a5ac18.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/52065.com/index.php on line 55 TDMA是什么意思，TDMA的翻译，TDMA音标、读音、用法和例句_伍贰汉英词典
The author has described several key techniques for improving the capacity of CDMA digital celullar system,comparing to the spectral efficiency of FDMA and TDMA cellular system. 本文对照频分多址和时分多址系统的频谱效率，阐述了码分多址系统提高系统容量的几项关键技术。