Because the OLAP is multidimensional, the multidimensional data modeling techniques attract humans general attentions and wide interests.
由于OLAP具有多维特征，因此多维数据建模技术引起了人们的普遍关注和广泛兴趣。
For traditional modeling techniques, such as entity relationship diagram or data flow diagram, no specific test techniques are available to date.
对于传统的建模技术，例如实体关系图或数据流程图，没有可用的特定测试技术会过时。
Key techniques for the realization of content-based video retrieval in digital library include video data modeling, video segmentation, video indexing, and video searching and browsing.
实现数字图书馆中基于内容的视频检索的关键技术包括：视频数据建模、视频分割、视频索引、视频查询与浏览。
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