1.  On the other hand, the army makes greater endeavor in the research of the guided missles and nuclear weapon etc.

2.  All this has showed us --- with the shift of the strategical stress and the development of advanced technology, the modern force demands to be highly modernized, centralized and mechanized, the military talents or even the soldiers are also demanded to be the personnel in some specific fields.

3.  In sports, football, basketball and rugby are all worldly professionalized In business, almost all positions are assigned to persons that specialize in specific fields.