The multimedia information that has rigid restrict to time is main part of information transported in the network according to the framework of network manufacture system.
The former rigid and relatively fixed organization structure doesn't keep up with the environmental demands, so network organization emerges as the times require.
原先那种刚性模式以及相对固定的组织结构已经不适应时代与环境的要求了，网络型组织便应运而生。
3
Many factors led to this disappointing situation for YZ express service, for instance, constrained policy, rigid system, outdated network infrastructure.