divide into several periods的用法和样例：
例句
- The method of division of historical periods has been negated completely by the brand-new historical thought pattern.
摘要历史分期的研究方法如今被全球史观全新的史学思维范式完全否定了。 - Periodization includes phases of high training stress and planned periods for recovery and restoration.
周期的分期包括高压训练阶段和训练期间的复原和恢复。
