接着，本文详细介绍了网络模拟器ns2，阐述了其结构，原理，功能。

And then we introduce the network simulator NS2, discuss its structure, principle and function.

youdao

接着，本文详细介绍了网络模拟器ns2，阐述了其结构，原理，功能。

And then we introduce the network simulator NS2, discuss its structure, principle and function.

youdao