TreeModel is also in charge of notifying the Tree of changes to the data.

TreeModel还负责将Tree的更改通知给该数据。

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TreeModel is in charge of certain tasks, such as connecting to the data source, lazy loading, and querying from the Tree widget about items and the hierarchy of items.

TreeModel负责某些任务，比如连接到数据源、延迟加载、以及从Tree小部件查询条目和条目层次结构。

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In many areas local utility companies will even cut back your wayward tree branches free of charge if they sit too close to electrical lines.

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Mr Darcy of Plum Tree Close, Stockbridge Village and Mr Thompson, of Eton Court, Liverpool, deny the charge.

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