...此广泛注意的课题不多”; 焦点（focus），信息焦点(information focus)，对比焦点(contrastive focus)，语义焦点(semantic focus)，焦点敏感(focus sensitivity)，敏感算子,信息结构 关键词:
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Focus- sensitive operators determine semantic focus. Semantic focus is sensitive to the truth-value of a sentence and is on the layer of semantics.
语义焦点由焦点敏感算子确定，是影响句子语义真值的敏感成分，是语义层面的。
参考来源 - 论汉语对比焦点标记“是”·2,447,543篇论文数据，部分数据来源于NoteExpress
然否对照表现的对比焦点，在性质上有语义焦点和语用焦点的区别。
The contrastive focus can be divided into the semantic focus and the pragmatic focus.
重动句是双语义焦点句，VP1和VP2在语义上有多种关系，两者互相依存，缺一不可。
This sentence is dual semantic focal sentence, in which VP1and VP2 with their mutiple semantic relevance depend on each other for existence and neither of them can be lack.
因此，它也不可避免地成为了关于应用语义web技术的讨论焦点。
As such, it is a perfect focal point for the discussion of Semantic Web technologies in practice.
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