?? ??????????????1200??
????:1?????6??????:????
2?????????
3???????
4?????????
5???????
??11?????????????29??????? (?? ?????????????????)?????29??“???????”?????,???????1200??,??30%,???????????????????????95%,????????
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?????????,?????????????????????;?????,1-10????,?????57?????
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????,?????????????????“?????+?”?,????,?????“????????+??”,??????????????????,???????????“?????+????”??????16???????????????????????????????“?????????????????????”????????,??8??????
??????????????“??”,????????????,???????24-36?????3-8???,???????????70%???????,3????????????????????????????,????,?????1550?????????????????,?????
????????,??“???????????+??????”,“??”?????,????“???????????????????????”??170????????????????????????,??????????3588?,??????????????????2696?,?????
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