研究群体成长规律，不能不研究其成长历程，尤其是把握其历史起点与逻辑起点。

The research on the growth rule of a community has no alternative but to study its growth course, grasps both its historical and logical beginning in particular.

一个项目要想保持水平不断提高，必须遵循项目自身的发展规律和人才成长规律，扎扎实实搞好后备人才的培养。

If a sport item keeps developing that must follow its development rule and the reserves pullulating rule and do well the work of the reserves cultivating.