通过一系列派生形成的元素分类越来越具体，可能约束越来越多，总是严格地与一致的处理和呈现模型联系在一起。
Classification of elements through a sequence of derivations that are progressively more specific, possibly more constrained, and always rigidly tied to a consistent processing or rendering model.
我们甚至已经设法将重构分类成一系列便利的模式！
Heck, we've even managed to categorize refactoring into a handy set of patterns!
德克萨斯州在一系列分类中排名下滑，而这些分类大多与教育相关。
Texas falls down in a number of categories, most of them to do with education.
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