求翻译：将教师对教学内容的管理分为课前教学内容的准备管理、课中对教学内容的处理管理及课后对教学内容的总结反思管理是什么意思？

The management of teachers teaching content into content preparation before class teaching management courses in the handling of the teaching content management and after-school reflection on the teaching content summary of management

Teachers will be on teaching content management consists of the Pre-course teaching content management, classroom in the preparation for the treatment of teaching content management and after-school classes for teaching the summation and reflection content management

Divides into in front of the class the teacher to the course content management the course content to prepare in the management, the class after the course content processing management and the class to the course content summary reconsidering management

Teachers on teaching content management lessons are divided into teaching content prepared before management, treatment of teaching content in management and reflections on the teaching content of summary after class management

The management of teachers teaching content into content preparation before class teaching management courses in the handling of the teaching content management and after-school reflection on the teaching content summary of management