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????:1?????????????:???????
2???sn??
3?????????
4?????vx
5???????200??vx????
?????9??1??? (? ??)?9??1???????????????????,????????????1???8????
??????????????????????????????8????????31????,?????8???67.30?,???5.98%,?????????(7?????????????????8????????),??????????115.47???????????,????6.99%,???????????,???????329.44??????????,???
???????????,?50%????????????????????????????????????
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????,??,??37.6??????36??????,?“????????????????????”??
???????????????1?????????8???????????????????????,???10.2%,?580???,?????12%?(??)
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