You can use the Timeline to hide or lock objects easily. This is useful when a slide contains many objects and you need to edit the objects separately.

使用时间轴可以很容易的隐藏或锁定对象。当幻灯片包含许多对象，而您需要分别编辑对象时，时间轴十分有用。

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With the Timeline, you can organize objects and precisely control the timing of objects.

您可以透过时间轴组织对象，并准确控制对象的时间。

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