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标签:____ is a term denoting the determination of a ship’s position by observations of Celestial or terrestrial objects

____ is a term denoting the determination of a ship’s position by observations of Celestial or terrestrial objects, or by a combination of both.

____ is a term denoting the determination of a ship’s position by observations of Celestial or terrestrial objects, or by a combination of both.

解析: 【解析题】进行横断面测量首先要确定横断面的方向,然后在此方向上测定中线两侧地面坡度变化点的 【解析题】不是共轭酸碱对的一组物质是 ( ) 【解析题】情志…

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