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????:1??????????:?????qq?
2?????95??
3???????????
4?150??????????
5?300??????????qq
??????????8???????????????????25????? ??:??:?????????????
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“?,??”????????,???????????,??,??????????????????,??????????“???????”?,????????????????,????????90%,?45%,a-?69.2%,??????????????????
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?,???????????,???,?60????????????,???????????,??,??????????????45°~46°??,?10??????????,????30%?
??????????????????1953?????????????,????????????????????????????????????????????????,????????????????????????????????????????????????????????????????,???????????“??????????”?
“???????????????????????????????????”“?????”8?24??,?????????????????,????????????????????,????,??????????????????,?????????????????
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??????,??,??????,????????????15????,???????????2??,?????????7??????????????????,??????????????????????????????10??????????????120?????????????
?????,????????????????????????????????“???????1500?????”??????,?????????,???????????????,??????????,????????????????????????????????
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??8???24??????????????,???????????????JS???????????????,??,????????????????,???????,???????????????????????????????????,??????????6.5???????????????????
?????????????????????????????,???????????????????????“????”???????????,???????????????????,??????????????????????????????????????,????,???????????,??(????????)
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