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1·The general application includes the PDA, MP3, DC, radiotelephony and the network of database, instrument etc.

一般应用包括PDA、MP3播放器、数码相机、无线电话与数据网络、仪器等。

2·The language for radiotelephony communication in civil aviation is a semi-artificial language based on English.

民航无线电陆空通话，简称陆空通话，是以英语为基础的半人工语言。

3·English radiotelephony communication is one important form of English application and is restricted by the aviation context in the process of teaching.

英语陆空通话作为英语语言运用的一种重要形式，在教学过程中受到语境的制约。