夷低作用 的英文怎麼說
中文拼音 [yídīzuòyòng]
夷低作用
英文
deplanation-
Planation is a combination of external agents. erosion is the primary significance in that it cuts all the strata formed previously and in the combination with transportation and accumulation, directly affects the formation of planation surface
夷平作用是以侵蝕為先導，輔以搬運、堆積、伴隨有地形的蝕低蝕退，以接近侵蝕基準面為目標的一種外力組合。Original planation surface has some features, for example, it appears in large area with low altitude, small gradient and taking a long formation period, etc. discrimination of planation surface is based on plotting and field investigation and by using statistical methods and " 3s " technique
原始的夷平面具有分佈面積較大（全流域范圍） 、坡度較小、高度較低、形成所需時間較長、有夷平作用的痕跡等特點。基於野外考察和室內作圖，可利用數學統計方法和「 3s 」技術進行夷平面的識別，這加強了夷平面研究的精確性、客觀性和定量性。
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