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近20年来,曾多次见到扭摆周期在日、月食期间发生异常变化的报道。为检验这种异常现象,我们先用连续工作的自由衰减摆对1982年出现的四次日、月食进行了观测,皆没有观察到异常现象。最高测量精确度比美国J.Saxl博士观测月食发现异常现象时所用的扭摆精
In the past two decades, there have been many reports of abnormal changes in the wobble cycle occurring during the Japanese and Chinese lunar eclipse. In order to test this anomaly, we observed the four daily eclipses that occurred in 1982 with the continuous work of free-fall pendulum. No abnormalities were observed. The highest measurement accuracy than the United States J.Saxl observed lunar eclipse unusual phenomenon found when using the twist fine