英语词汇“station pointer”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	station pointer
释义	station pointer noun A navigational instrument that fixes a ship’s position on a chart by determining its place relative to two landmarks or conspicuous objects at sea.At block 356 the station pointer is loaded into the X register to find out what station is involved.... He positions the station pointer on the chart and lines up the three arms with the objects ashore. Called a three arm protractor or station pointer, it was invented in 1801 by Joseph Huddart, a U.S. naval captain.
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