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民航里的QNH QNE QFE怎么区分理解 - 知乎 QNH是Query Normal Height的缩写，中文意为修正海平面气压高度，英文解释为Sea Level Atmospheric Pressure, 用于在机场区域按过渡高飞行。 QNE是Query Normal Elevation的缩写，中文意为标准气压高度，英文解释为Sea Level Standard Atmospheric Pressure,用于不同区域按过渡高度层飞行。在过渡高度与过渡高度层之间有过渡夹层
欧拉角简介 - 知乎 For example, the first two rotations (yaw and pitch) are identical to the azimuth and elevation angles used in directing artillery pieces and in surveying; to the pan and tilt angles used to specify the aiming direction of a camera; and to the longitude and latitude coordinates used in navigation