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试图结合 VRML和 Web GIS技术开发基于 Internet的三维数字港 .数字港在浏览器中显示 ,可在各种位置以各种视角、各种比例进行动态观察和漫游 ,并能进行基于空间特征和基于属性特征的信息查询
Attempts to develop an Internet-based three-dimensional digital port in combination with VRML and Web GIS technology.The digital port is displayed in a browser and can be dynamically observed and roamed at various angles and at various scales in various locations, and can be used to perform space- Attribute information query