Each translation unit contains a sentence or paragraph that's extracted from the original document in an element called, and the translator has to fill a element with the appropriate translation.

每个翻译单元包含从原始文档中抽取的一个句子或者一个段落，原始文本放在元素中，翻译人员需要用适当的翻译文本填充元素。

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So researches on Chinese complex sentence semantics facilitate the NLP from the characters and words level to the sentence or even the paragraph level.

因此对复句语义进行研究为中文信息处理从字、词处理级提升到句处理级及句处理级以上的研究提供了基础。

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