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基于地震各项异性的最新研究认为,地球固体内核不对称,一侧比另一侧生长的快。
美国国家科学基金会的科学新闻报道:
Is Earth's core lopsided? Strange goings-on in our planet's interior
https://nsf.gov/discoveries/disc_summ.jsp?cntn_id=302950&org=GEO&from=news
Nature Geoscience (2021) 论文
Dynamic history of the inner core constrained by seismic anisotropy
https://www.nature.com/articles/s41561-021-00761-w
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