本文讨论了大地震前天文时间和纬度观测结果的短周期异常波动涨落。
The short-period anomalous fluctuations of observations of astronomical time and latitude before major earthquakes were discussed.
通过与天文大地方法观测结果的实例比较，验证了该方法的有效性。
The determined vertical deflections are verified through the comparison with those obtained from astronomical geodet…
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