Basically, passengers on board will feel like they are at an altitude of 6, 000 feet, 2, 000 feet lower than a standard flight.

基本上，旅客会感觉他们在6000英尺的高空，该高度比标准飞行高度低2000英尺。

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The calculation result of example shows that glide standard trajectory designed can meet the trajectory tactical requirements when missile is launched in different velocity and altitude.

实例计算结果表明，设计的下滑基准弹道可以满足载机不同发射速度、不同发射高度条件下弹道的技术要求。

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Controllers have pop-up windows with various choices of standard messages for altitude changes, frequency changes and some re-routings.

WSJ: Texting While Flying: Help for Pilots

The air pressure is also now closer to what is normal in Denver, Colorado -- the mile-high city at 5, 280ft -- than the traditionally higher, and more mountaintop-like standard of 8, 000ft above sea level, sparing fliers from the mild altitude sickness that can be experienced when flying a long distance.

BBC: Increased comfort in the sky