palaestra
2.The investigation and study for the structure of sports population in mo rning or evening in xian city,the need of the palaestra and other sports place for people,the lengthen and the master of spare time for the resident in xian city,the proportion of sports population in xian city,the focus of sports popul ation for the item of sports,the influence factors of the increase in sports po pulation are made by author,these results will contribute to the development of the sports for all movement in healthy and orderly way in xian city.
