The constraint conditions of normal optimal model are usually rigid constraint conditions under the determined factors which may lead to exclude some excellent schemes.
常规的优化模型的约束条件都是在确定因素下进行的硬性约束,这样做的直接后果是可能排除掉了一些较优秀的方案。
Usually, these are sets of pages within a site that are either dynamically generated from queries (but thereby having consistent patterns) or are pre-generated following fairly rigid templates.
通常,站点中的一些页面是由查询动态生成(但是具有一致的模式),或是根据非常严格的模板预先生成。
I can understand this limitation: it's not usually easy to superimpose a regular lattice of information upon an XML document; such is the mismatch between extensible hierarchies and rigid tables.
我完全理解这种局限性,要将规整的信息表格添加到XML文档通常并非易事,这就是可扩展层次结构和严整表格的不匹配。
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