????:?????
??????????????????6???
????????????470?:???3?1?
2017???????????:??????
??3?????????0.2%
????:???????????????????
???????????14???????????(?…
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???100?????????????0.01?
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???1????????????????
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???????10????3-2????????
??:?????????????
??????????????????6000??
??????????????5???3???
??CloudBU?????:???????????…
19???????????????????
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????????:??1??8000?
??????????????????5?