| 1. | Each step shows the sentential form .
每步都列出一个句型。
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| 2. | A parse of a sentential form is the construction of a derivation and possibly a syntax tree for it .
句型的分析是某个推导（或许是其语法树）的构造过程。
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| 3. | If a sentential form is ambiguous, then it has more than one syntax tree and therefore, in general, more than one handle .
如果句型是二义性的，那末，它不只有一棵语法树，因此，一般地说，也不只有一个句柄。
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| 4. | Text classification using sentential frequent itemsets
使用句子级频繁项目集的文本分类方法
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| 5. | A parse of a sentential form is the construction of a derivation and possibly a syntax tree for it
句型的分析是某个推导(或许是其语法树)的构造过程。
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| 6. | Ever - changing with sentential irregularity , han yu ' s writings are very imposing and appealing
韩愈的文章气势充沛，句式错落，纵横开阖，变化多端，具有强烈的感染力。
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| 7. | In the framework of the generative grammar , the government and binding theory provides us evidence of the classification of these sentential types semantically and syntactically : the argument structure and epp determine the obligatory elements at the sentential level , morphological rules and the case theory motivate the production of some derived sentence types
生成语法管约论框架内分析了划分的语义和句法依据，谓词的题元结构和epp决定了句子层面的必有成分，同时形态规则的作用和满足格理论还会推导出一些衍生句式。
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| 8. | In this paper , we propose a novel approach using sentential frequent itemset , a concept comes from association rule mining , for text classification , which views a sentence rather than a document as a transaction , and uses a variable precision rough set based method to evaluate each sentential frequent itemset s contribution to the classification
为了解决这一问题，参考目前的数据挖掘领域的工作，提出了一个文档数据库模型，即将每一篇文档映射为一个文档数据库，文档中的每个句子看作数据库中的一个交易，每一个词看作一个项目。
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