The farther back we attempt to predict eclipses, the less accurate they become as computational errors grow, and modern data becomes less able to specify ancient lunar trajectories and times.

• 我们推测的日食发生的越久远，所得结果越不准确，因为计算机错误会增加，这样一来，现代数据就越来越不能确定古代赴月轨道和时间。