????:1??????v:?????????

2??????????

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

4??????ios

5??????

????????12?28?(?????????????? ??)??28?????,?(27?????????????),??????????????322???????,?52??,318???????????????????????

?,???7??10?????(???????????????????12??????????27????1?5?),???,??????

?,27???,??????85.2%?

?,??????????47.8%,?,??28%????????????18???19???,50?????????59??

?????????,??????17??,???????????,?????17?????????,??4???(?) ??????????????:?????