如果，在小部件生命周期内一些连接已经不再需要，那么实现者就可以通过调用disconnect方法来手动断开这些连接以减少事件的处理。

If, during the widget lifecycle, some connections are not needed any longer, the implementer can manually disconnect them by calling the disconnect method to reduce the event handling.

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该定向钻探系统包括一根构成能连续地和精确地在地面上钻孔并且无需周期地断开其连接的钻杆柱。

The guided drilling system includes a drill string configured to continuously and accurately bore a hole in the ground without the need to periodically break the connection of the drill string.

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