A gyrocompass is required to indicate the heading of a land, sea, or air vehicle.

陀螺被用来指示陆上的、海上的或空中的运动体的方向。

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It records "air data" such as the airplane's speed, heading, altitude, rate of climb or descent, accelerations, and decelerations.

它记录的飞行数据包括飞机的速度、航向、高度、爬升或下降速度、加速以及减速等。

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A new heading system (including heading measurement and heading control) framework is presented for Micro Air Vehicles (MAVs) from the viewpoint of practical applications.

从实用的角度出发，给出了微小型飞行器的航向系统(包括航向测量和航向控制)体系结构。

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However, the air surrounding Wells heading into next week appears relatively optimistic.

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Heston Blumenthal is teaming up with British Airways, Joel Robuchon is heading for Air France, Michael Chiarello is cooking for Delta and Richard Sandoval is working with American Airlines.

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Mubarak and the U.S. president took no questions from reporters during their brief joint statements in the Egyptian resort area of Sharm el-Sheik -- Bush's final stop before boarding Air Force One and heading back to Washington.

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