英語翻譯以下是一篇英文翻譯作業（不是英語課,而是學術課）,要求翻譯的嚴謹,有些句子本意不難,翻譯成漢語很彆扭,1 Int

題目：

英語翻譯
以下是一篇英文翻譯作業（不是英語課,而是學術課）,要求翻譯的嚴謹,有些句子本意不難,翻譯成漢語很彆扭,
1 Introduction to TV technology
2 The most common use of television is as a source of information and entertainment for viewers in their homes
3A television program is created by focusing a television camera on a scene.
In a typical television station,the signals from live and recorded features,including commercials,are put together in a master control room to provide the station's continuous broadcast schedule.

解答：

1.電視技術介紹
2.電視最普遍的用途是觀衆在家獲得信息和娛樂的渠道.
3.電視節目是用攝象機聚焦在一個畫面上拍攝而來的.