?? ?2?3??????????
????:1??????????:???????????
2?????????????
3???????????
4???????
5??????????
??????1????????19? ????19??????????,?????????2????3????????????
?????????????????,????3????47???????????,??,???1??????????????24??????????????53???????????
??????????,????,???????????1???,1????????2???????
?,?5?????,?????71???????14?????,??,???,?3???????64??,??????????,???????????????????,???????,???????????(??) ????:????????