topographic factor的用法和樣例：
例句
- Because all topographic factors may affect the results, especially in mountains and hilly regions.
尤其是在重山峻嶺和山丘地區搞重力測量，因為所有的地形因素均會(huì )影響測量結果。 - Topographic factors such as hypsography and earth curvature are greatly responsible for remote sensingimage distortion.
地形因素，包括地面起伏和地球曲率，是造成航空數字遙感影像變形的主要原因之一。
