Track changes in the size of these data structures over time.

跟踪这些数绝结构的大小变更。

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The activity will keep track of changes that have been made in the view.

活动将跟踪在视图里发生的变化。

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The activity will keep track of changes that have been made in the view.

活动将跟踪在视图里发生的变化。

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