常見例句雙語例句Data quality controlling is a important index for topographic digital map.數據質量控制是良好的數字地形圖質量的重要保證。We must calculate their topographic indices in order to get their topographic index frequency distributions.為了得到它們的地形指數頻率分布,需計算它們的地形指數。The former bases on the hillslope hydrology and puts emphasis on the effects of terrain which denoted with topographic index for each grid.徑流生成模塊以山坡水文學理論為基礎,重點考慮流域地形的影響,分單元引入地形指數進行產流計算。 返回 topographic index