This model is divided into time class, space class, event class and state class by using object-oriented technology.
利用面向对象技术将模型划分为时间对象类、空间对象类、事件对象类、状态对象类。
SIADR, having over 100 State Class One Registered structural Engineers, is capable of providing structural design and consulting services for all kinds of industrial and civil buildings.
我公司拥有国家一级注册结构工程师百余位，提供各类工业及民用建筑结构设计和咨询服务。
Based on a case study of the state-class scenic spot, Liugong island, this paper analyzes the island's tourist resources and makes a detail discussion on how to enhance the environmental protection.
本文以国家级旅游风景区刘公岛为例，分析了海岛的旅游资源，并对如何加强海岛的环境保护进行了详细的论述。
Based on a case study of the state-class scenic spot, Liugong island, this paper analyzes the island's tourist resources and makes a detail discussion on how to enhance the environmental protection.
本文以国家级旅游风景区刘公岛为例，分析了海岛的旅游资源，并对如何加强海岛的环境保护进行了详细的论述。
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