这对于分析和改进对这类碰撞的预报，确定撞击时刻和撞击点位置，以及今后研究撞击黑斑的变化，都有一定的意义。
This is meaningful for analysis and improvement of the impact prediction. As well as for researching variations of the impact sites.
这对于分析和改进对这类碰撞的预报，确定撞击时刻和撞击点位置，以及今后研究撞击黑斑的变化，都有一定的意义。
This is meaningful for analysis and improvement of the impact prediction. As well as for researching variations of the impact sites.
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