?? ?????? “????+???????????????”??
????:1??????????:????
2?????????
3?????vx
4???????????
5?????qq
????????:??????????????,10??,?????????????????,??????????????,?????????????,????????????
10??,?????,???????????0.7?????????????,10?,????????????????9????17.1?????
?????????10???????????????,??????????????41????????????????????,????????????????27?????????????????????9?????????,??????????,?????????????????????9??22.3?????,???????????17.8?????????????????,??4.5%,??????
?????????????????????,10????????????????,??????12.9%,?????????1.9??????????????,???????????????????????73.3%?48.8%?
??:“????,??????????????????????????,?????????????????,??????????????????,??,????????????????????,??????????”
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