英语词汇“distance marker”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	distance marker
释义	distance marker distance marker [′dis·təns ‚märk·ər] (engineering) One of a series of concentric circles, painted or otherwise fixed on the screen of a plan position indicator, from which the distance of a target from the radar antenna can be read directly; used for surveillance and navigation where the relative distances between a number of targets are required simultaneously. Also known as radar range marker; range marker.
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