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2??12??????,?????????????,“???”?????????????????????,??????????????????????????????????????????? ????????????????
2?????????????????????12?,????????,“????????????????”???,?????????«?»???????? ??????
2????????????????12?,?,“?”???????????,???????????????????????????????????? ???
2????????????????12?,?????????????????????,“?”?,????????????????????? ???
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?????????????????“1+3+7”??…
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?????????????????????20%
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15???????????????????
?????????????????????20%
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?????????5.5%??????1????
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??????????????:??7????
???:??????????????????
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?????????6.5??????????
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?????268???????:???????
4S??????????????:????????
???????????????5??3???
????????:????????????
CBA???????????????????