It is present a method to design altitude control system for a high altitude airship using auxiliary ballonet charge or deflation and elevator combination control.

当时高度存在大误差时，采用副气囊和空气舵组合控制改变飞艇的姿态实现快速爬升或下降；

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The effects of altitude aside, some sports engineers maintain the ball's unusual movements can still be chalked up to its smooth stitchless design.

除了海拔的影响，一些体育工程师记录下了这款球不寻常的动态，这些动态仍会被记录下来用于无缝平滑设计。

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Based on the research object, the random radiation optimization of multitargets and multi-restrictions is introduced into the design of altitude control system.

针对研究对象，在高度控制系统设计中，引入多目标多约束的随机射线优化方法。

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Chefs help airlines design meals that perform at high altitude.

CNN: In-flight food: Heaven or hell on a tray?

Mr Mawet and his team, meanwhile, are trying to fabricate prototypes of their design to test on the European Southern Observatory's Very Large Telescope in Chile, which is at a higher altitude, and thus less prone to wobbling air.

ECONOMIST: A way to detect Earth-sized planets around other stars