2.2 有标记项与无标记项的判别标准 1、结构复杂性(structural complexity):在构造上,标记性以形式复杂为前提,标记者在 结构上更复杂,未标记者较简单。
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The elements comparison method is simple and fast, but it only considers the number of nodes, it does not take into account the structural complexity of XML document tree, so the clustering results are not very satisfactory.
元素比较法简单,速度快,但是只是考虑节点的个数但是没有考虑XML文档树的结构复杂性,聚类结果不是很理想。
参考来源 - 基于权重边集比较法的XML语义聚类研究·2,447,543篇论文数据,部分数据来源于NoteExpress
目的研究信息系统结构复杂性与可扩展性之间的内在联系。
Aim To study the relationship between expansible and complexity of information systems structure.
另一个缺点是要使用位置传感器,增加了结构复杂性,降低了可靠性。
Another drawback is the use of position sensors, increased complexity and reduce reliability.
由于牙体及周围组织的结构复杂性,自动生成它们的有限元网格很困难。
It is difficult to set up the finite element net model automatically because of the complexity of the tooth.
Lipids are really complex molecules on their own right, but because of their particular kind of complexity they allow certain biological structures to form.
脂类本身是非常复杂的分子,但正是它们独特的复杂性,使它们能够形成某些生物结构
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