Since she wasat high school A. C. spent her summer vacations working with the Appalachia Service Project.
自从A. C. 进入大学,她就利用暑假参与阿巴拉契亚的服务项目.
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The deposits is very similar to the Mississippi Valley Type deposits in Appalachian and Missouri, USA.
矿床成因属密西西比河谷型(MVT),其地质特点可与北美Appalachia地区和Missouri地区的MVT矿床对比.
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