英语词汇“backsight”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	backsight
释义	backsight backsight (ˈbækˌsaɪt) n1. (Shooting) the sight of a rifle nearer the stock2. (Surveying) surveying a reading taken looking backwards to a previously occupied station. Compare foresight⁴ backsight backsight [′bak‚sīt] (engineering) A sight on a previously established survey point or line. Reading a leveling rod in its unchanged position after moving the leveling instrument to a different location. (navigation) A marine sextant observation of a celestial body made by facing 180° from the azimuth of the body and using the visible horizon in the direction in which the observer is facing. backsight In surveying, a sight on a previously established survey point or line.
随便看	widge widgeon widgeons widget widget-based interface widget-based user interface widget (disambiguation) widget interface widget on demand widgets widget set widget toolkit widgie widgit widhh wi-di widi widi adapter widim widio widish widit widjit widjit interface widl

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