semantic unit短语¹⁴⁴⁹⁷²⁺² 基本例句 计语义单位 Proposed a novel unified framework based on Basic Semantic Unit BSU for sports video content analysis, and demonstrated the detailed usage of this framework on soccer video. 继而提出了一种基于 BSU的体育视频内容分析的通用框架；并且以足球视频为例，实例化了这种通用的体育视频内容分析框架。 cnki