standard definition tv sdtv
常见例句
- Digital TV techniques have already entered practical stage. Applications of HighDefinition TV (HDTV) and Standard Definition TV (SDTV) will existent together fora long time.
数字电视已进入实用化阶段，不同等级的数字电视业务（如HDTV和SDTV）将长期共存。 返回 standard definition tv sdtv