[计] asynchronous time-division multiplexing, ATDM
yì bù shí fēn duō lù fāng shì ㄧˋ ㄅㄨˋ ㄕˊ ㄈㄣ ㄉㄨㄛ ㄌㄨˋ ㄈㄤ ㄕˋ