Effective classification system is important for ischemic stroke, because that in the different type of ischemic stroke, clinical characteristics, treatment options and prognosis were different.

有效的分类系统对缺血性脑卒中十分重要，因为不同的缺血性卒中分型中临床特点、治疗方案及预后皆有差异。

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Making use of the diaspore type bauxite, the cyclone flotation and classification test had been carried in the system of cyclone flotation.

用一水硬铝石型铝土矿在旋流浮选系统中进行了旋流浮选和分级试验对比。

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The problems of the present classification code system are analyzed. The unit-type general structure system and the treatment of implication factors are proposed in this paper.

对现有的分类编码系统存在的问题进行了分析，提出了组合式总体结构及隐含要素的处理方法。

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