因此，这份报告是由重申MB以前的公共流动无线电话服务，并为当代系统的开发提出了一些建议。

Therefore, this report was composed to restate the previous PMRS of MB and put forward some suggestions for the development of contemporary system.

youdao

因此，这份报告是由重申MB以前的公共流动无线电话服务，并为当代系统的开发提出了一些建议。

Therefore, this report was composed to restate the previous PMRS of MB and put forward some suggestions for the development of contemporary system.

youdao