When the considered systems is one with lineary dependent coefficient perturbations or is one formed by cascade of several independent subsystems as above, the results given by this paper are the extreme results.
当考虑的系统是线性参数摄动系统或由若干个独立线性参数摄动系统串联成的，则本文给出的是端点结果。
25 protocol and proposes a way to implement the hardware and software of the terminal node controller(TNC).
25协议的终端结点控制器(TNC)的硬件和软件实现方法。
