?? ??????????????????
????:1?????:????????
2??????
3????????
4??????????
5???????
??????2???????3??????????? (??????? ???)?,?????,???????????????????
???,??????? ????????????????????????????????????,????????????????????????,????????????
??,1??????28??0?????????????????2?3??15?????????????,?????????????????2.6???????????,???44%,??????????,????????????????85.7%,???8.3%,?????6%???,?????????,??????????????????1400??
???????????????,??????,???????,?????????????????,???,??(??????????????)
?????????:??