英语人>网络例句>grassland 相关的网络例句
grassland相关的网络例句

查询词典 grassland

与 grassland 相关的网络例句 [注:此内容来源于网络,仅供参考]

During 1994~1996,we found that Scarabaeidae,Carabidae and Elateridae are the dominant groups of soil Coleopteran.They showed the obviously seasonal dynamic in density ,vertical distribution and diversity that have different responses to the changes of season. According to their roles in grassland ecosystem, their main functions in the system can be performed by their larvae, and the most powerful influence in the system should be in spring and autumn.

大针茅草原中土壤鞘翅目昆虫的组成以金龟总科、步甲科为主。2)土壤鞘翅目昆虫密度具有明显的季节动态,即春季和秋季密度较高,夏季密度较低。3)土壤鞘翅目昆虫中不同类群对季节的变化有明显不同的响应。4)随季节变化土壤鞘翅目昆虫在土壤中的垂直分布及水平分布有显著变化。

As indigenous people in the grassland area, the Mongol people have accumulated the rich knowledge of ethnobotany ...

作为草原地区的原住民,蒙古族通过与草原植物和环境之间的长期相互作用而积累了丰富的民族植物学知识。

At the 16th International Union of Anthropological and Ethnological Sciences Conference to be held in Kunming in July 2008, the Chinese Academy of Social Sciences will host a parallel meeting to discuss the grassland environment and changes in herders' lives.

在联盟第16届国际人类学和人种学举行的会议在昆明在2008年7月,中国社会科学院将主办一个平行的会议,讨论了草原的环境和变化,在牧民的生命。

The effects of exclosure on the recovery of degraded grassland by influencing seed bank were reviewed.

总结了围封对土壤种子库的影响及其在草地恢复中的作用。

The plant diversity of the grassland would be changed after exclosure due to population growth and decline, disappearance of some species and immigrant of new species.

由于围封后种群的消长、某些种群的消失及新种的进入导致草地在围封后的植物多样性也发生变化。

Very little is known about the effects of continuous grazing and exclosure on carbon sequestration in semi arid sandy grassland of North China.

研究了科尔沁退化沙地草地持续放牧和围封恢复下土壤植物系统的碳贮存,以揭示草地管理对C动态的影响。

The carbon sequestration on the root and soil in three plots of typical steppe area: 26-year exclosure grassland(E26),continuous grazi.

以围封26 a草地(E26)为对照,研究了内蒙古典型草原区长期开垦与放牧对土壤-植物根系系统碳截存的影响。

Engaged in the FAO Grassland and fodder crops development in most countries These factors are complex.

参与粮农组织草原和饲料作物的发展在大多数国家,这些因素是复杂的。

This paper presented some approaches to develop agriculture there.① Adjusting land use structure, using slope land as grassland in stead of cropland, constructing forage maize, bean and grain field or cold-hardiness fruit tree orchard;② Promoting mechanization, intensive cultivation and industrialization;③Popularizing plasti...

通过调查研究,认为晋西北农业生产应该注意以下几点:①在土地利用结构调整中,建设坡耕地退耕种草、饲料玉米、豆科杂粮和抗寒果树的4类用地结构;②在农业生产中,促进生产的机械化、集约化和产业化水平;③加大地膜覆盖推广力度,尤其是宽幅地膜的推广、增施化肥和有机肥、引进良种、农田保护性耕作与粮草轮作技术和病虫害防治等5大类实用农业技术。

On base of consulting relevant data,field survey was done using normal grassland survey method.

在查阅相关资料的基础上,采用常规草地调查的方法进行了实地调查。

第16/55页 首页 < ... 12 13 14 15 16 17 18 19 20 ... > 尾页
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。