洪積世 的英文怎麼說
中文拼音 [hóngjīshì]
洪積世
英文
diluvial age-
( 1 ) the soil from century garden is an alluvial and diluvia soil in an alkalescent medium
（ 1 ）世紀花園地基土是在弱偏堿性介質環境下形成的沖洪積沉積。Centuries of silt deposition and diking has caused the river to flow above the surrounding farmland, making flooding a critically dangerous problem
幾世紀的淤泥沉積以及築堤導致了河水六向周圍的農田，造成洪水泛濫的嚴重後果。Teams who have modelled the climate in the area are warning of greatly reduced snowpacks and more intense flooding as temperatures inch up during the 21st century
對該地區氣候進行了模擬研究的科研小組警告說，在21世紀期間，隨著氣溫的逐漸上升，積雪場將大幅度減少，洪水泛濫將更為嚴重。There is sharp gradient in top and small gradient in bottom. the ability of removing flood is high in top and it is small in bottom correspondingly. sediment silt up continually, so the bed of river is jacked up year by year and become the famous river on land
由於泥沙含量高，現行河道已行水140餘年，山東段河床上寬下窄，坡度上陡下緩，排洪能力上大下小，在泥沙淤積作用下，河床逐年抬高，成為世界上著名的地上「懸河」 。分享友人