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

2?????????

3???l????????

4?????????

5?????????

??????12???20??????????? (????? ??????????)??20?????????????????????,????2000????

?????????????????,??????????2004????9?????28?,?,???(2005??)????100????????????100??????????????????????????20?????????,?2.3??????????

?,???????????????1400??????????????????????2000??,?,???????1000?????????????????,????????????????13%,?????????50%?

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????????????????????11????????????,???????????????????????????,???????????????????????????????(?????????????????????????????) ???:????????