An original system is designed, which validates the feasibility of the method of getting user demand information through graphics instance.
设计实现了一个原型系统，通过此系统验证了图形实例获取用户需求这一方法的可行性。
An original system is designed, which validates the feasibility of the method of getting user demand information through graphics instance.
设计实现了一个原型系统，通过此系统验证了图形实例获取用户需求这一方法的可行性。
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