The defination of system model structure is given first,then themodel structure of TDMA in air defence C 3I systems is analysed in this paper.是什么意思_The defination of system model structure is given first,then themodel structure of TDMA in air defence C 3I systems is analysed in this paper.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句