它们分别大致相当于小型市政机场、中型都市机场和大型都市机场，并包含一套日益严格的规章制度。

They correspond roughly to small municipal, medium-sized metropolitan and major metropolitan airports respectively, and encompass an increasingly rigorous set of regulations.

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我认为学生们需要严格的规章制度。

I think students need strict rules.

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严格的规章制度阻碍了经济活动。

The strict regulations paralyze economic activity.

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