Moreover, an examination of the apparent sequential connections among military, economic, and cultural forms of progress might help explain the dynamics of historical change.

此外，对军事、经济和文化发展形式之间明显的顺序联系的考察可能有助于解释历史变化的动力。

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Objective: To introduce the sequential therapy of antibiotics and its progress of study.

前言：目的：了解抗生素的序贯疗法，为临床合理使用抗生素提供参考。

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