单词 | artificial horizon |
释义 | artificial horizonnoun A gyroscopic instrument or a fluid surface, typically one of mercury, used to provide the pilot of an aircraft with a horizontal reference plane for navigational measurement when the natural horizon is obscured.Vertical bars mark the sides of the hangar and the ship's mast, and a further improvement comes in the form of a gyro-stabilised horizontal bar, which gives the pilot an artificial horizon to work with....
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