以下为句子列表：
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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英文: According to the types of rock density and magnetism of magmatite, with separation, continuation, derivation, and false color encoding between gravity anomaly and magnetic anomaly as well as a composite process of their attributive information, the magmat
中文: 摘要根据不同类型岩浆岩的岩石密度、磁性的不同，通过重磁异常分离、延拓、求导、异常的彩色编码及重、磁特徵信息的复合处理等，按重磁反映的岩浆岩带所处的构造单元部位、岩浆系列特徵以及与矿带的时空关系，将秦岭造山带划分为2带和7个群段。
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英文: According to the variation characteristics of the geochemical background in this basin, the authors determined the techniques for data processing and anomaly appraisal.
中文: 背景场具有自东南（固原凹陷）向西北（海原凹陷）由高变低的趋势。
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英文: “there are different premonitory anomaly forms both at different sites of a network for the same earthquake and at the same site for different earthquakes.
中文: “有一些不同的有预兆性的异常，对同一个地震在〔监测〕网不同地点出现，又在同一地点对不同地震出现。”
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英文: An Analysis of the Characteristics of the Auspice Anomaly before the Yanjin Earthquake of M_S . in Yunnan Province
中文: 云南盐津.级地震的地震活动前兆异常特征分析研究
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