1) semiarid sand area
半干旱风沙区
1.
By the analyses on ecology factors of flat land,hilly land of semiarid sand area,we conducted a mixed experiment with resistant arbor and shrub species.
通过对半干旱风沙区的平川沙荒、黄土丘陵典型立地类型的生态因子进行分析,以及对抗逆树种的乔、灌行间的混交试验,表明:1)平川沙荒区的生态条件比黄土丘陵区优越。
2.
The division of site type and selection of resistant species are key techniques to afforestation of matching trees with site conditions in semiarid sand area.
立地类型划分与抗逆树种选择是半干旱风沙区适地适树造林的技术关键。
2) The sandy and semi-drought area
风沙半干旱地区
4) semi-arid sandy area
风沙半干旱类型区
1.
Study on the soil and water conservation benefits of the forestry and grass vegetation in semi-arid sandy area of northeast china;
风沙半干旱类型区典型林草植被的水土保持环境效应
6) Semi-arid sandy grassland
半干旱风沙草原区
1.
,unstable,near neutral,and stable,in Horqin semi-arid sandy grassland.
利用科尔沁半干旱风沙草原区涡度相关观测数据,计算并分析了不同大气稳定度条件下湍流的功率谱和协谱。
补充资料:风沙
风和被风卷起的沙土:漫天的~。
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