英语词汇“range markers”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	range markers
释义	range markers range markers Two upright markers that may be lighted at night and placed so that, when aligned, the direction indicated assists in piloting. They may be used in amphibious operations to aid in beaching landing ships or craft. range markers distance markers Distance (range) markers.i. Frangible markers placed on the sides of runway indicating the remaining runway length available in thousands of feet. These have black background with numerals painted in fluorescent orange/red color. ii. A reference marker indicating distance, particularly on a radar indicator to indicate distance of a target from the radar antenna. On a PPI (plan position indicator), it is usually one of a series of concentric circles. Also called range markers.
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range markers