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海城7.3级地震前后重力变化及其原因探讨,已有文献公开发表。在此前后,国内外亦发现了其他有关重力变化的实例。近年还有人对重力重复测量方法与精度等问题进行了讨论。重力作为一种地震前兆的可能性及如何提高测量精度等问题已愈来愈为人们所重
The gravity changes before and after the Haicheng MS7.3 earthquake and their reasons have been published. Before and after this, other examples of changes in gravity were also found at home and abroad. In recent years, some people have discussed the methods and accuracy of repeated measurement of gravity. The issue of gravity as a precursor to earthquakes and how to improve the accuracy of measurements have become more and more important