The external communication is the product.
外部交流就是产品。
Number 2 is internal and external communication.
第二是内部和外部的交流。
So, number 2 is that internal and external communication.
所以第二就是，内部和外部的交流。
The external interactive satellite communication system is a competitive solution for remote education in China.
外交互卫星通信系统是适合我国远程教育应用需求的一种极具竞争力的解决方案。
The external interactive satellite communication system is a competitive solution for remote education in China.
外交互卫星通信系统是适合我国远程教育应用需求的一种极具竞争力的解决方案。
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