常見(jiàn)例句雙語(yǔ)例句The graphical representation of positional uncertainty provides the assessment of the quality of positional data with a visual means.位置不確定性的圖形描述為評(píng)價(jià)位置觀測(cè)數(shù)據(jù)的質(zhì)量提供了可視化的方法。To analyze positional accuracy of geographical lines in GIS, this paper begins with a discussion on the representation and positional errors of linear features.為了分析GIS圖上地理曲線的定位精度，首先探討地理曲線的表達(dá)與定位誤差，區(qū)分“數(shù)字曲線”和“連續(xù)曲線”兩個(gè)概念； 返回 positional representation