查询词典 grassland

Based on resource and social economy conditions of various stockbreeding production areas in respective grassland, different industrial development patterns are proposed.

按照各草地畜牧业生产区的资源和社会经济条件，提出了不同的产业发展模式。

With the aggravation of degradation degree of grassland, the length of short spike L. brevitaba stolon became shorter.

结论］短穗兔耳草的匍匐茎长度随草地退化程度的加剧而变短。

Anserina are typical clonal plant with stolon in Songnen grassland.

是松嫩草地常见的匍匐茎型无性系植物。

Forests and grasslands are under effective preservation. The forest area in Tibet totals 7.17 million hectares and the stumpage, 2.084 billion cubic meters. The total grassland area amounts to 82.07 million hectares, of which 70.77 million hectares are usable.

西藏地区的森林和草原得到了有效保护，森林面积达717万公顷，活立木蓄积量20.84亿立方米，草原面积达8207万公顷，其中可利用草地7077万公顷。

The P.pratensis community is in the phase of herbs and forbs of degraded alpine meadow.At the same time the P.pratensis population is in the dominant spices position,subordinate spices position and company spices position.So,we can replant P.pratensis and other grass seed to change the structure and composition of plant community,improve community environment,cause it to develop to subclimax community succession,reach the stabler state.We can apply fertilizer,improve soil nutrition condition,enable degraded grassland with the link of soil and vegetation system together to reach the stabler subclimax and climax state.

草地早熟禾群落处于高寒草甸退化的禾草杂类草阶段，草地早熟禾种群在群落中处于优势种地位、次优势种地位和伴生种地位，因此，可通过补播草地早熟禾和其他禾草草种，改变植物群落结构和组成，改善群落环境，使其向亚顶级群落演替，达到较稳定的状态；也可通过撒施肥料，改善土壤养分状况，使土壤与植被系统共同作用将退化草地演替为较稳定的亚顶级或顶级状态。

Their ethnobotanical knowledge possess the characteristic of grassland herding nationality, included the contents of plant nomenclature, classification, uses, management and conservation, related to their subsistence economy, medicine, environment and culture, formed an integrated traditional botanical knowledge system.

阿鲁科尔沁蒙古民族植物学知识包括了植物的命名、分类、利用、管理和保护等方面的内容，涉及到他们生计、经济、药物、环境和民族文化，形成了一个完整的传统植物学知识体系。

The aircraft adopts the precise three-demensional structure design, taking full account of the hydrodynamic factors, and then ensures its superior and stable performances even on the windy and wavy water surface. Besides, it is able to glide smoothly on the grassland, swampland and sea.

船体采用精确三维造型结构设计，充分考虑了水动力学问题，因此确保了Ramphos甚至在有风浪的水面都具备非常优异和稳定的性能，它能在草地、沼泽地、海面快速稳定滑行。

Late Qing Dynasty heroic fight against British and French allied forces, command Tianjin Taku mouth campaign, and sink the 13 British warships, the long ambition of the Chinese people of Wales Senggelinqin Bo, but also from the Horqin grassland.

清末英勇抗击英法联军，指挥天津大沽口战役，击沉英国13艘战舰，大长中国人民志气的博亲王僧格林沁，也是出自科尔沁草原。

According to the predecessors research on grazing grassland plant compensation and over compensation effect,the mechanism and affected factors of plant compensation and over compensation effect were analyzed,and the essence of compensation and over compensation was explained by using the growth tediousness theory.

回顾和总结了植物补偿与超补偿的定义与观点，并且根据前人对放牧草地植物补偿与超补偿效应的研究，分析了补偿与超补偿效应的机制和影响补偿作用的因素，用生长冗余理论揭示了补偿与超补偿的本质。

Thereafter, many researchers [5][17][20][23] have used the texel structure to simulate forestry, grassland, hairs and other natural objects with rich details.

此后，许多研究者[5][17][20][23]采用纹元结构来分别模拟森林、草地、毛发等细节丰富的自然物体。

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。