英语词汇“primary digital group”的中英文释义、用法、翻译及短语词组-英汉翻译词典

单词	primary digital group
释义	primary digital group 英?[?praim?ri ?did?it?l ɡru:p] 美?[?pra??m?ri ?d?d??tl ɡrup] 释义 [数字]基群行业词典通信［数字］基群???准同步数字系列（PDH）标准化数字复用的第一级，包括并行的两种标准数字速率：1.544kbit/s或 2.048kbit/s。???
随便看	do one's damnedest do one's devoir do one's duty do one's ease do one's easement do oneself a mischief do oneself an injury do oneself justice do oneself proud do oneself well do one's endeavor do one's endeavour do one's endeavours do one's endeavour s do one's exercises do one's face do one's good do one's hair do one's heart good do one's homework do one's job do one's level best do one's lolly do one's manners do one's need

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primary digital group