例句與造句

1. It is found that the automatic detection of drainage networks from digital elevation models is affected by flat areas and closed depressions . a variety of methods have been proposed to treat these two features , but it can be seen that the flat areas and closed depressions are processed only after they have been created , so that many spurious and parallel drainage courses are generated
   數(shù)字高程模型( dem )已在分布式流域水文模型中得到了越來越廣泛的應(yīng)用，但dem中的閉合洼地和平坦區(qū)域影響著流域河網(wǎng)的自動提取。目前已提出好多方法來處理這兩種地形，但均針對已經(jīng)形成的dem單元網(wǎng)格進(jìn)行處理，結(jié)果往往生成偽河道及平行河道。
2. It's difficult to find parallel drainage in a sentence. 用parallel drainage造句挺難的