Spatial data model is the core and base of three dimensional geographic information system design.
空间数据模型是地理信息系统设计的核心和基础。
Both design efficiency and quality were greatly enhanced with this three dimensional model software.
据此开发的三维模型软件，将更大地提高设计效率和质量。
Both design efficiency and quality were greatly enhanced with this three dimensional model software.
据此开发的三维模型软件，将更大地提高设计效率和质量。
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