地磁日变不同时段特征差异及对地磁日变改正的影响
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Differences in the characteristics of geomagnetic diurnal variation in different periods and their influence on correction of geomagnetic diurnal variation
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图1. 欧洲3个台站位置(正方形:CLF台站;菱形:BFO台站;圆形:FUR台站) |
Fig.1. Three stations in Europe (square: CLF station; diamond: BFO station; circle: FUR Station) |
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