基本解释時分多址同根派生 TDMA相关词英汉例句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.本文對照頻分多址和時分多址系統的頻譜傚率,闡述了碼分多址系統提高系統容量的幾項關鍵技術。TDMA更多例句