喷灌适应性强，能有效地控制用水，适用于各种土壤和地形。
Sprinkler irrigation, with its adaptability and effective control of water application, is used for irrigation fields of all kinds of soils on varied terrain.
灌区单项灌溉技术的筛选是一个涉及气候、地形、土壤、作物和种植方式等众多因素的复杂系统工程。
The selection of single irrigation technique is a complex systematic engineering including many factors such as climate, terrain, soil, crop and planting mode.
较封闭的地形，偏酸性的土壤和阴湿的气候也是形成酸雨的影响因素。
The close topography, slight acid soil and moist climate are favor for acid rain formation.
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