膜结构模块 

4.1 功能模块：膜结构模块   400元
4.2 功能模块服务费：1年8元
4.3 软件服务费每年收取，用于网络服务器和软件维护
4.4 软件升级费用根据具体情况另外收取
4.5 以上指每台机器  

Membrane Structure Module
4.1 Functional module: Membrane structure module 400 yuan
4.2 Function module service fee: 8 yuan per year
4.3 Software service fee charged annually for network server and software maintenance
4.4 Software upgrade fees will be charged separately based on specific circumstances
4.5 or above refers to each machine

膜结构-膜边界-圆钢管膜边界动画演示下载

膜结构-膜节点-膜角节点动画演示下载