The watch features a removable compass that, when used with the scratch-resistant mirror and the compass’s reflective surface, can give any Boy Scout the tools to find his way home.
这款手表的特色在于装了个可移动的指南针，使用手表防刮的镜面和指南针的反射表面能够帮任何一个童子军找到回家的路。
Suppose you decide to make a trek to the North Pole. You can't catch a plane there. So instead, you pull out your compass, watch the needle swing northward and plot a path, right?
假设你决定长途跋涉去北极，又不能坐飞机去，那么只好拿出指南针，根据指向北方的指针绘制出路径，对么？
Take celestial azimuth and find compass error on each watch if the weather is fine.
如天气好，每一班测取天体方位求出罗经差。
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