和SGML一样，HTML允许作者描述文档的结构，把头部和段落、有序列表、无序列表分开。
Like SGML, HTML allowed authors to describe the structure of a document, separating headers from paragraphs, ordered and unordered lists.
关系型数据是平面的、高度结构化、强类型化、无序的，而XML数据是有序、嵌套的、层次化的、可选类型化的，并且往往不规则且是不完全结构化的。
Relations are flat, highly structured, strongly typed, and unordered while XML data is ordered, nested, hierarchical, optionally typed and often irregular and semi-structured.
经典耗散结构对其有序的分析虽然误用了热力学第二定律和无序度的熵，但这掩盖不了耗散结构本身的价值。
Although the classical dissipative structure theory misapplied the second law of thermodynamics and the disorder of entropy, but could not conceal the value of dissipative structure theory itself.
应用推荐