????:1?????????:????????

2?????600?????

3??????

4???????

5????????

?10????27??????? (??? ??????????????)?27??,????20??“???????”(?????)?10?????40????????????,??????????????9??(23????/??),??990???

??,“?”?,???????????“??????????”????????,27??????~30???,???;28????????~30??,??????

??????27??????10?(???)??,???“????”?????,??????????27?28?????,????????4.0~6.0???????????????????????????????3.0~4.0????????????????????????????????????????????????????2.0~3.0????????(???) ??:???