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Terms for subject Earth sciences containing AN | all forms | exact matches only
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American Council for an Energy-Efficient Economy美国能源效应经济理事会
constructing an auxiliary function构造辅助函数
Digital An-ay Processor数字式阵列处理机
free an quarry码头交货价格
gas chromatography with an electron capture detector电子俘获检测器气相色谱测定法
relative content an element in a biosample一个生物样品中的元素相对含量
scanning electron microscope equipped with an energy-dispersive system装有能量扩散系统的扫描电子显微镜