这种服务采用了高级电视系统委员会(atsc)的广播系统直接向手机发射信号。

Instead, the service USES an ATSC broadcasting system to beam signals directly from the station to the mobile devices themselves.

youdao

这种服务采用了高级电视系统委员会(atsc)的广播系统直接向手机发射信号。

Instead, the service USES an ATSC broadcasting system to beam signals directly from the station to the mobile devices themselves.

youdao