数据传输采用单频时分制、ARQ传输方式，大大提高了短波通讯数据传输的接收效率。

ARQ mode is used in the data transmission system for increasing data receiving rate.

youdao

数据传输采用单频时分制、ARQ传输方式，大大提高了短波通讯数据传输的接收效率。

ARQ mode is used in the data transmission system for increasing data receiving rate.

youdao