?? ????????:???????4.2?? ????????
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????:1??????????:?????????
2?????vx
3??????????????
4?????150???????
5????????
????????????2?????14??????? (???????? ????????????????????)????????????????????????????????????14?????????????????????“???????????????????”???????????,???????2015??????3000???4.2???,???????????????
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?,???????????????????????????????,????????????,?????????2015?????????????3000????4.2??,?????????????????????????????,??????99.6%?????????????,??????
????????????,???????????????????“?????”,??????????????????,???“????????????”?????????????????6?????????????????10??????,????98%??????????,??,?????????,????“??”?
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