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- It conserves water and soil, playing an important role in agricultural reform in vast mountainous and hilly area in Sichuan. 由于保水固土的生态功能显著,使它能在四川广大山地、丘陵区退耕还林还草工程中发挥重要作用。
- Changes of Land Use and Landscape Structure of Low Mountain and Hilly Areas in Sichuan 四川盆地低山丘陵区土地利用景观格局变化研究
- Research on the Dynamic Variation Characteristics of Soil Moisture in Flow Collection Terraced Fields in Liaoxi Low Mountain and Hilly Areas 辽西低山丘陵区集流聚肥梯田土壤水分动态变化规律研究
- Mountains and hilly areas 山地丘陵区
- Study on the Bryoflora and Eclogy of the Mountainous and Hilly Area in the North of Yanshan Mountain and Its Adjacent Sandland 燕山北部山地丘陵及毗邻沙地苔藓植物区系与生态学研究
- Development of a Portable Fully Hydraulic Soil Drill for Earthquake Survey in Mountainous and Hilly Areas 山地丘陵地区地震勘探用全液压轻便土层钻机的研究
- Study on Degradation Characteristics of Landscape Ecosystem in Mountainous and Hilly Area in Hunan Province 湖南山丘区景观生态系统退化特征初探
- Plains and hilly land account for 12.0 percent and 9.9 percent respectively of China's total land area,totalling only 21.9 percent,while basins,mountains and plateaus account for 18.8 percent,33.3 percent and 26.0 percent each,adding up to 78.1 percent. 中国的平原和丘陵面积分别占总土地面积的12.;0%25和9
- Research on and Development in the Geo-physical Blast Hole Drill and Its Accessory Tools in Mountainous and Hilly Area 山地丘陵地区物探爆破孔钻机及配套机具的研究与开发
- Because all topographic factors may affect the results, especially in mountains and hilly regions. 尤其是在重山峻岭和山丘地区搞重力测量,因为所有的地形因素均会影响测量结果。
- Rainfall Collection for Micro-irrigation is an Effective Way to Speed up Rural Economic Development in Mountainous and Hilly Areas 集雨微灌工程是加快山丘区农村经济发展的有效措施
- Keywords landscape ecology;landscape ecological engineering;biocybernetic symbiosis;agroforestry system;mountainous and hilly area;Hunan province; 景观生态学;景观生态建设;生物控制共生;农林业系统;山丘区;湖南省;
- Courtyard area is larger in plains than that in mountainous and hilly region owing to landform influence. 研究表明,在年代尺度内村落分布几乎不变,不同时期不同类型区村落规模的分级特征较一致。
- They crossed the mountains and travelled to the valleys beyond. 他们越过群山,到了那边的山谷。
- Ningxia Hui Autonomous Region has always been a town licorice, salt pond in the middle, one mind, Lingwu, Ning and other places in the arid and semi-arid desert grassland and hilly areas. 宁夏历来是甘草之乡,产于盐池、同心、灵武、中宁等地的干旱、半干旱的荒漠草原和丘陵地带。
- There is a large hilly area in the northwest. 西北部有一大片丘陵地带。
- mountain and forest region; wooded and hilly lands 山林地区
- Ours is a hilly area surrounded on three sides by mountains. 我们这儿是一个山区,三面都是大山。
- We stood on the top of the mountain and surveyed the countryside. 我们站在山顶上,眺望乡村。
- The plane flew into a mountain and disintegrated on impact. 飞机冲向一座山,撞得粉碎。