1) plain dune
平原沙丘
1.
Through geomorphic classification to plain dunes in western Jiln province,some integrated and complete set of techniques for agro forestry,such as the covering with soil overwinter tube method and five management patterns were described.
通过对吉林省西部平原沙丘区地貌类型进行分类 ,提出了“容器覆土越冬法”等沙丘改造综合配套措施和 5种复合农林业经营模式 ;筛选出适宜本省西部半干旱风沙区耐干旱耐瘠薄树种长白松、欧洲白榆、甘肃沙枣等 6个品种 ,开展了生长发育、形态、生物量对干旱循环胁迫等适应性研究 ;应用地理信息系统解决了以县为单位的复合农林业系统分类、分区及调控技术 ,指出了前郭县复合农林业经营方
2) links
[英][lɪŋks] [美][lɪŋks]
海岩草原;近岸平坦沙地;海岸固定沙丘
3) aeolian dune field
风成沙丘原
4) plain and hilly area
平原微丘
1.
Trough engineering practice and introducing characteristics of transportation and current situation of national & provincial road in plain and hilly area ,quantifying the determined criteria for road-section where highway safety enhancement project(HSEP) is conducted and evaluating the conformability of the highway by comparing the determined criteria.
通过工程实践,阐述平原微丘区国省干线公路的现状和交通特点,量化安全保障工程实施路段的判定标准,对照判定标准进行公路符合性评价,并对存在的安全隐患采取相应的技术措施,可供同类地区公路设计者参考。
5) gentle hill
平原缓丘
补充资料：半固定沙丘
半固定沙丘
傀鑫 半固定沙丘陈百明摄
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条