Classifying mobile services in poor countries is not an exact science .

给贫穷国家的手机业务分类实在难以做到精确。

Classifying information neatly and keeping the operational sector clean is best .

信息分类简洁，保持各个分区整洁是最好的方式。

Diagnosing , classifying , and characterizing prostatitis

诊断、分类和定性前列腺炎

The imperial college professor argued for a new way of classifying the harm caused by both legal and illegal drugs .

这位帝国学院教授主张，采用一种新的方法来对合法药物及非法毒品所造成的伤害进行分类。

You canexercise it through classifying and sequencing activities , playing number and logic games , and solving various kinds of puzzles .

你能够通过分类、排序的活动、玩数字和逻辑游戏以及解各种各样智力游戏来练习它。