We ameliorate the D_timetable algorithm, add to it merged list and null event, the practicability of the algorithm is improved.

我们在应用中对算法进行了一些改进，增加了矩阵化简过程中的合并链和空事件，提高了算法的实用性。

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If a page action method invocation returns a non-null string value, Seam treats it as a navigation event.

如果页面动作方法调用返回一个非空字符串值，则Seam将其当作一个导航事件。

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If you do not want to have the event source set the current correlation sphere ID, you should pass null in as the second parameter.

如果您不想让事件源设置当前相关性的sphere ID，您应该将第二个参数设置为空。

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