It is showed through a concrete instance that the method is simple, quick and accurate.

通过实例证明，该方法具有计算简单、快速、精度高等优点。

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In real applications it is more likely that we will need to operate on a concrete instance of a Wicket application class.

实际应用则是操作一个Wicket应用类的具体实例。

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Thus, a business component handler knows which concrete business component instance must be processed.

因此，一个业务组件处理程序知道具体哪个业务组件实例必须被处理。

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At London's W hotel, for instance, Concrete worked around small rooms by combining a sink and a writing desk into a functional but eye-catching white module.

WSJ: Inn With the New

The Pocket PC-based PPT 2700 series, for instance, can withstand multiple drops from a height of four feet to a concrete floor, and it is sealed against rain and dust.

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