Apple didn't build in a printing function, so you can't just tap a menu button to print an email, photo or Web page.

苹果没有内置打印功能，所以你无法仅仅通过按下一个菜单按钮就打印电子邮件、照片或网页。

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Tap function lets you set the desired tempo.

点选功能可以让你设定所需的速度。

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The criterion or cost-function with respect to the complex tap-weight vector of the equalizer and to the error probability is strictly a convex function.

该准则或价值函数是关于均衡器抽头权矢量和误差概率的严格凹函数。

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These include a quick preview function, which can show the contents of a folder when you hover over it and before you actually tap into it.

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With the Quick Action function, users can run Quick Dial, Web search, alarm setting, and music replay with a single tap.

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