英德
有道
百度
谷歌
图片
维基
百科
方位盘
polorus
- 早期的指南针采用了磁化指针和方位盘的组合方式，整个指南针从便携性、指示灵敏度上都有一定不足。
Since the early use of a magnetic compass and direction-pointer of the composition, the entire compass from scratch, on the instructions of a certain sensitivity of the defect. - 临近方位标度盘有一个方向标志，需要对着方位标度盘外部边缘来读取所指示的选定航向。
Selected heading. A heading marker, located adjacent to and read against the outer edge of the azimuth dial, indicates the selected heading. - 该调制盘的设计具有调制盘的转动中心与光学系统的光轴不同心，连续线性反映目标的偏离量，以及以直角坐标方式给出目标的方位信息等特点。
The design characteristics are that center of the disk is not on optical axis, deviation of target is linear and continuous and azimuth information of target is given in orthogonal coordinate system.
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