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??????,1?????,???????????M2?????????318.52??????????????,??????????????7%,??????;1????????,????7.06???,???????????5.13?????
?,????????12.7%??11.4%,??????????????????“?????????”“?????”?,??????????
1??????????????????????,???????????3.4%,?0.4?????????,??????,????????????,????????? ??:?????
??????2???????????:????
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GIF-???????????????????
??GIF-???????????1??????
????:?????????????????
????:?????????????????
????:3???????????????
??????2???????????:????
????:????????????????3.3?
CBA?????????????????
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GIF-???????????????????
CBA?????????????????
????:????????????3????????
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??????9???????????????
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??3?????????????????
??3?4?????????????????