题目内容 (请给出正确答案)
提问人:网友l******8 发布时间:2022年3月25日 07:59
[单项选择题]

磁罗盘用地磁场作为测量依据,所测得的航向角称为(),而真航向角是磁航向角和磁偏角的()。

A.磁航向角;代数和

B.磁偏角;代数和

C.磁航向角;矢量和

D.磁偏角;矢量和

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