常見例句雙語例句An indicator or a sighting apparatus on a plane table, used in angular measurement.鏇標裝置飛機控制板上的指示器或觀測儀，用來測量角度。Had it come to pass, decimal time and decimal angular measurement might have done for the 19th century what GPS did for the 20th.如果儅初這些辦法流行開來，十進制時間測量方法和十進制角度測量方法之於19世紀可能就會像GPS之於20世紀。A unit of angular measurement equal to one sixtieth of a degree, or60 seconds.分角的度量單位，等於一度的六十分之一，或60秒。 返回 angular measurement