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1.the technique parameters assembly range of water-controlled partial wetting irrigation was:the suitable perforation ratio is about 14%,the submergence height is 7-9 cm,and the irrigation low limit is above 70%.
局部控浸润灌溉合理的技术要素组合:淹没高度7-9 cm,适宜开孔率14%左右,灌下限不低于70%田间持率。收藏指正
2.The water bucks take shallow swamps as their habitats and aquatic plants as staple food.
羚栖息在深不淹没青草的浅滩中,以主食。收藏指正
3.Abstract: Through study on energy dissipation of Goupitang Project on the Wu-jiang River,the velocity field in the water cushion pool downstream ski-jump or drop was measured by hot-film anemometers on a fine model with scale 1∶380.
文摘:结合乌江构皮滩利枢纽工程消能问题研究,用热膜流速仪在比尺1∶380的精细模型上量测了拱坝挑跌流在垫塘内的流速场,并由试验成果分析了淹没射流在垫塘内的消能过程,计算了消能率。收藏指正
4.In typical watershed, Quxi watershed, the result of external forcing, submerge and migrant, is the resource change of slope cultivated lands, economical forest, vegetation, water, habitant etc. of the ecosystem, and the changes of demand for food supplies, energy resource and education.
移民区典型小流域——曲溪小流域,受淹没、移民2个驱动力的作用,耕地、经济林、植被、、栖息地等资源发生了显著变化,系统的粮食、能源、教育需求也随之而变,在内在反馈机制的作用下,导致系统输出土流失加剧、生物多样性受到破坏、土地退化严重等。收藏指正
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