???2?????????????????6????????????????????,??,???2?????????????????4????,???????
???????????????????,???????????????????????????????????????,?????????,??????????????,??????????10%?????????????,?????,?,?????
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??gif-?????????????????
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??GIF-???????????1??????
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??2?????????0.4%
GIF-????!???????????
???2???????188??????16??
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???100?????3???????
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2017????????????10?????
????:?????????????????
??:??????????????
??2?????????0.4%
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??????:?????????????
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??-4???????????1-2??????
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