查询词典 semiarid
- 与 semiarid 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
Three seriousenvironment problems of the soil erosion, desertification and salinization in the aridand semiarid area not only endanger the throughput and the stability of the dry landfarming, but also jeopard the country ecosystem security.
干旱、半干旱地区的水土流失、土地沙漠化、土壤盐碱化三大环境问题,不仅直接危害北方旱地农业系统的生产能力和稳定性,而且危及到了国家生态安全建设。
-
A semiarid plateau region of southwest South Africa. It is divided into the North Karroo, along the Orange River; the Great, or Central, Karroo; and the Little Karroo, near the coast.
卡鲁南非西南部的半干旱高原区,分划成沿奥兰治河的北卡鲁以及近海岸的大卡鲁或卡鲁中部地部区和小卡鲁部分
-
The institute takes loessial plateau as key research,take on research on water and soil conservation in semiarid and simewet area,and solve some important technology problems in entiron building.
中国科学院、水利部水土保持研究所成立于1956年2月,是中国科学院在西北地区建立的第一个研究机构。
-
Soil microbiotic crusts are widespread in arid and semiarid regions, they are one of the major components of desert ecosystems, and their importance has been demonstrated by numerous researches.
:生物土壤结皮广泛分布在干旱半干旱地区与寒区荒漠,是荒漠生态系统的主要组成和景观特征之一,其重要性已被大量的研究报道所证实。
-
So, in order to provide scientific afforestation methods and guideline, it is rather necessary to introduce and popularize Picea mongolica in arid and semiarid regions.
但是该树种是云杉属中的特殊种,在半干旱草原中于沙地上能良好生长,有罕见的防风阻沙能力,大有在半干旱区甚至干旱区引种推广的必要。
-
A uniformly warty stocky toad of washes and streams of semiarid southwestern United States.
美国西南部半干旱地区洼地和溪流中全部是矮壮而疣皮蟾蜍。
-
Dilate factory area greenness is taken for example in this paper, and adjusting carbon-oxygen balance, decreasing temperature, increasing humidity, in tenting dust,, reducing noise, absorbing SO2 else. And the special ecosystem function benefits of arid and semiarid area, in duding lowering the wind velocity, impeding the sand wind, increasing he air degree of humidity, regulating the air temperature, protecting the soil water.
本文以干旱半干旱沙区达拉特电厂厂区绿化为例进行分析,评价了城市园林绿化所具有的调节碳氧平衡、降温增湿、滞尘减噪、吸收SO2等一般生态功能和干旱半干旱沙区绿化所具有的降低风速、阻挡沙尘、增加空气湿度、调节气温和提高土壤保水性等特殊生态功能效益。
-
Scaly slipping is a special gravitational erosion taking place in transitive zone from semiarid grass vegetation to desert in No.5 subregion of gullied and rolling loess region.
鳞片状滑移是发生在黄丘五副区半干旱草原植被向荒漠过渡地带的一种特殊的重力侵蚀现象。
-
Yellow river valley is typical arid and semiarid region in China.
黄河流域是我国典型的干旱和半干旱地区,流域缺水、支流水质污染和污水灌溉面积的增加对环境、农业生产和农产品安全造成了潜在的威胁。
-
Detailed study indicates that this kind of micrini-tes, in fact, is typical fungus megaspores that are distributed widely in modernarid and semiarid steppe areas of northern China.
通过对我国各地130余块表层土壤样品的分析,发现了多种类型的真菌孢子,其中有一类大孢子(大小100-350μm,外壁厚5-10μm以上)与在黄土地层及红粘土层中发现的带尾的微球粒形态是一致的,进一步研究认为这种微球粒实际上是一类分布在我国北方干旱、半干旱草原区的真菌大孢子。
- 推荐网络例句
-
This one mode pays close attention to network credence foundation of the businessman very much.
这一模式非常关注商人的网络信用基础。
-
Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.
扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。
-
There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.
双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。