erosion terrace 中文意思是什麼
erosion terrace
解釋
侵蝕階地-
This theme selected weihe river round tianshui, jinhe river round binxian, bahe river round lantian and luohe river round luochuan to study the evolutionary model of river terraces in the mid - tail of weihe river. we have built the cross - section of each river, and analyzed the evolution of each river terrace in the mid - tail of weihe river according to the velocity of downcuting and lateral erosion
本論文以天水渭南鎮段渭河、彬縣段涇河、藍田段灞河和秦家河段洛河為例建立渭河中下遊河流階地演化模式，以階地形成年代為標尺，根據下切速度和側蝕速度對渭河中下游各河谷階地的演化過程進行了分析。 -
In order to find otit a new set of measures to control soil erosion on sloping cultivated farmland in three gorges reservoir area, we have adopted narrow terrace and put agroforetryjmd contour hedgerows into effect by means of sustainable development theories, ecological theories, and social economic theories since feb. 2001
本文針對三峽庫區的具體環境、氣候條件，為探索庫區陡坡耕地水土流失綜合治理的新方法，在庫區的陡坡耕地上，應用可持續發展理論、生態系統原理、社會經濟學理論，採用水平階整地方式，實施農林復合經營和生物籬埂技術。
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