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为了进一步研究光学天文时纬残差异常在地震预测中的实际运用，本文介绍了光学天文时纬残差震前异常的发现和它在地震预测中的研究实践，以及云南天文台光电等高仪的时纬残差异常变化与其周邻强震的实际对应关系，最后以讨论的形式给出了这种关联的可能的地球物理机制，目前在地震预测中的局限性和可能的解决途径。重要的是，2010 年以来的预测实践进一步表明，利用光学天文时纬残差的同步异常提供地震预测信息，既没有虚报，也没有漏报。这就说明，它是完全可以作为地震预测的一种手段，投入地震预测实践中的，值得更多重视和更加深入的研究。

To investigate the practical application of the anomalies of optical astronomic time-latitude residuals in earthquake prediction, the article introduces the discovery of the anomalies of optical astronomic time-latitude residuals before earthquake, its research practice in earthquake prediction, and the actual relation between the anomalies of the time-latitude residuals of photoelectric astrolabe in Yunnan Observatory and the strong earthquakes around it, and finally discusses its possible geophysical mechanism, current limitations in earthquake prediction and possible solution methods. The forecasting practice since 2010 especially shows that neither does it generate false forecasts, nor miss forecasts of major earthquakes. This indicates that it is can be used as a means of earthquake prediction, into practice of earthquake prediction, such work requires more attention and further study.