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Terms for subject Geophysics containing United States | all forms | exact matches only | in specified order only
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Seismic Engineering Branch, USG United States Geological Survey美国地质调查局地震工程部
United States Absolute Gravity Station美国绝对重力站
United States Frequency Standard美国频率标准
United States Geological Survey美国地质调查局
United States National Committee on Theoretical and Applied Mechanics美国理论力学与应用力学全国委员会
United States National Seismograph Network美国国家地震仪网站

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