?????????8??????7??(?????? ??)??????????7???????,???????7???9??,??

??????????,7??8??????16?????,????5??50??????,??????:????????68.8???????53.4?????51.2???????????

?????????,??,?????????????7???????6?????????1???????2?,??2?????????,??

??????????????,7?????:????32??????35?????????,?36??????38????,?38.7??

?????7???????????????,?31.8?????????????;???34.9?,???????6??????3.1??

??,????????,???????,????????,??????,??7???10??

???,????????,?????,??????????,??????????(??) ??????:??????????? ??“????????500???”

?? ?????? 7?????????

????:1?????????500???:????

2???????????

3????????????

4?????????

5???????????

?????????8??????7??(?????? ??)??????????7???????,???????7???9??,??

??????????,7??8??????16?????,????5??50??????,??????:????????68.8???????53.4?????51.2???????????

?????????,??,?????????????7???????6?????????1???????2?,??2?????????,??

??????????????,7?????:????32??????35?????????,?36??????38????,?38.7??

?????7???????????????,?31.8?????????????;???34.9?,???????6??????3.1??

??,????????,???????,????????,??????,??7???10??

???,????????,?????,??????????,??????????(??) ??????:???????????