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n.地质时标
1、Some paleomagnetic data and ESR dating data coincide with geochronometer published in 2000, and may be regarded as subsidiary basis for chronostratigraphic classification.───部分地层的古地磁和ESR测年数据与2000年公布的地质年代数据基本吻合，可以作为年代地层划分的辅助依据。