求翻译：固定的班级人数和统一的时间单位，有利于学校合理安排各科教学的内容和进度并加强教学管理，从而赢得教学的高速度。是什么意思？

Fixed class sizes and a unified unit of time, reasonable arrangements will help schools teaching subjects and to strengthen the content and progress of teaching management, teaching speed to win.

Fixed the class size and unity, and the unit of time reasonable arrangements conducive to schools teaching of various subjects and progress and to strengthen teaching content management, thereby winning teaching speed.

The fixed class and grade population and the unification unit of time, is advantageous to the school arranges various branches teaching reasonably the content and the progress and strengthens the teaching management, thus wins the teaching the high velocity.

Class size and integration of fixed unit of time will help schools to arrange the content of teaching and the progress and strengthen teaching management, thereby winning the teaching of higher speeds.

Fixed class sizes and a unified unit of time, reasonable arrangements will help schools teaching subjects and to strengthen the content and progress of teaching management, teaching speed to win.