以下为句子列表：
英文: A new geochemical survey may expose the extent of China's soil contamination problem.
中文: 新一轮的全国性的土壤污染状况调查暴露出污染的程度。
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英文: A study of characteristics of Bi and Au content in different media within gold deposits of Chifeng district has revealed that Bi is the most important indicator element in the geochemical prospecting for gold deposits of this district.
中文: 摘要研究赤峰地区金矿中不同介质的铋、金含量特徵、显示出铋是该区金矿化探中最重要的指示元素。
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英文: Abstract: A study of characteristics of Bi and Au content in different media within gold deposits of Chifeng district has revealed that Bi is the most important indicator element in the geochemical prospecting for gold deposits of this district.
中文: 文摘:研究赤峰地区金矿中不同介质的铋、金含量特征，显示出铋是该区金矿化探中最重要的指示元素。
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英文: Abstract: Based on 1∶200000 aeromagnetic survey data performed in 1998, and referred to materials of geolo-gic and geochemical prospecting of the working area, this paper discusses the relationship between the characte-ristics of magnetic field, magmatic
中文: 文摘:本文以1998年1∶20万航空磁测资料为基础，参考地质和化探资料，对工作区磁场特征、岩浆岩、断裂构造与矿产分布的关系进行探讨，研究地质成矿环境，建立寻找热液型和火山-沉积型的铜、铅、锌、金、铁、锰矿找矿标志，对本区找矿远景进行了预测。
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英文: Abstract: Based on surface geochemical survey and integrated researches on coal bed gas in Dacheng area,the authors have outlined the coal bed gas field,established the model for geochemical anomaly of coal bed gas and revealed the affecting factors.In ad
中文: 文摘:通过大城地区煤层气地面化探工程和综合研究，确定煤层气田的分布范围，建立煤层气化探异常模式，了解其影响因素，为地表化探的应用指出新领域。
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