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 development of Appalachia region had achieved remarkable success.
这两次开发都取得显著成效，缩小了阿巴拉契亚地区与其他地区的差距。
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An analysis of the geomechanical factors influencing coal mine roof stability in Appalachia
影响阿巴拉契亚煤矿顶板稳定性的地质力学因素分析
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Appalachia has one of the world's richest deposits of high-grade coal used to make steel.
阿巴拉契亚地区炼钢用高等级煤炭的储藏量位居世界前列。
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Appalachia: a region of the eastern United States including the appalachian Mountains.
阿巴拉契亚：美国东部包括阿巴拉契亚山脉在内的地区。
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America has pumped federal dollars into deprived regions such as Appalachia.
美国则把联邦资金输送到像阿巴拉契亚地区这样的贫困地区。
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In Appalachia, average mining costs are about$ 65 to$ 75 per ton.
在阿巴拉契亚地区，平均开采成本约为每吨65美元至75美元。
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But mobility has declined, not just in Appalachia but everywhere else as well.
但流动性已经下滑，不仅是在阿巴拉契亚地区，在美国其他所有地区也是一样。
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