That is to say, a lot of problems concerning semantic processing theory and technology of CBVR need a further study.
进一步说，目前基于内容的视频检索的语义处理理论和技术仍有大量问题有待深入研究。
That is to say, a lot of problems concerning semantic processing theory and technology of CBVR need a further study.
进一步说，目前基于内容的视频检索的语义处理理论和技术仍有大量问题有待深入研究。
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