分析 、 比较了各类网络三维技术 , 提出了基干7< = <􀀁 0 实现三维景观网络发布的技术方案, 并探讨其实现的关 键技术与解决方案以及系统架构。在7< =< > 平台上实现了对应的实验系统, 验证了这种方案的可行性。-Analysis , Comparison of various types of Web 3D technology , Proposed the backbone 7

semiars The World Wide Web, which has started as a document repository, is rapidly transforming to a full fledged virtual environment that facilitates services, interaction, and com- munication. Under this light, the Semantic Web and Web 2.