The utility model has the advantages of simple structure and firm buckling tooth fixation, and the dilating Angle is convenient to displace with safe usage.

本实用新型具有结构简单、变更扩张角度方便、扣齿固定牢固的的优点，且使用安全方便。

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Even if virtual keyboards don't displace physical ones in all situations — and they won't — touch screens and haptics may change how we interact with a keyboard — especially on tablets, says Hsu.

徐指出，即使虚拟键盘无法当然也不会在所有情况下取代物理键盘，触屏和触觉技术可能改变我们使用键盘操作的方式，尤其是在我们使用平板电脑时。

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A larger and heavier aircraft must displace more air and create more lift to sustain flight, compared with small, light aircraft.

较大的重型飞机比较小的轻型飞机要移动更多的空气、制造更大的提升力以支持飞行。

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It immediately begins to displace some gasoline with biofuels in both new and used vehicles.

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If, as they hope, federal regulators move to displace disfavored commercial speech with government-mandated speech, First Amendment challenges may arise.

FORBES: Food Labeling And The Nanny State

However, Google is the best positioned company to displace Microsoft on all those tablets out there with its Chrome apps, and it still is a competitor with the potential for long-term value creation.

FORBES: Buying Apple, Amazon, Google and Netflix