?? ?!???????????????????5????80%
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????:1???????????:?????????
2?500?4????????
3?????????698
4???????
5???????
?????????????6??????????18?? ?18?,????????????????????????,???????????????????,15???????????,??80%,?????????????
??????????,??3??,????????????????????????,??????????,7?????????????????4??????????,31??????????(??????????????????????)?????
??????????????????????????,???????,?????????????,?????????????????????????????;???64.4???????????????????,????5????????;???????????????????,?????????????????????????????,?,????????????????????????????129??,??????????????????????????????????????????????
??????????????????,??????????,???????????????????????????????15????,????17.5%,????????50%;15???,?????????????????????????80%,?????????????????????????,??,?????
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