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???,????«???»??????????????,????2021?????????,??«?????????????????»?????????,??????,?3D?????????????,???????????,??,????,?????,????????????
?????,??????,????,??????????70?????????????????????????????
??????????,????????????,??????,???????“???????”??????????????
????????????????,???????????,?????????????????????????????????????????????????????,?“??”?,??????????,????35%??????
??????,???????,????????????????????????????????,??????????????;????????????????????,????,?????“??????”????
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?????????“????????????”??????????????????,???????????????,??,??,???,????????????????????,??(???????????) ???????????????????:???????????
??GIF-???????????1??????
???:??20???????????????
??GIF-???????????1??????
GIF-????!?????????????
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GIF-????!?????????????
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GIF-????!???????????
???:??????????????????
??????????????:???????
???????????3?????????
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??2?????????0.4%
???:??20???????????????
??????9???????????????
4?1?!??????????????????!
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?????????????:???????????
??3?????????????????
???????????300??????(?)
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