首先在系统应用原型，然后，不断修正和改进，直到形成满意的可行系统。
At first, prototype is applied in the system, then, is revised and improved until the satisfied and feasible system is formed.
整个系统还需要不断修正和改进，直到形成满意的可行的实验教学网站系统。
The whole system need to modify and improve till it become a satisfied and feasible experimental education web system.
应用推荐