您要查找的是不是:
- grassland resources survey 草地资源调查
- According to the first national survey of grassland resources,the variety of grassland in Tibet ranks first among all provinces and autonomous regions. Of the 18 types of grassland in the country,Tibet has 17. 根据全国首次统一草地资源调查,西藏拥有草地种类居全国各省、自治区之首,在全国18个草地类中,西藏就占有17个草地类。
- Selected works of the application of China's land resources survey results II. 中国土地资源调查成果应用选编2。
- The prior development of grass industry is urgent to recover the ecosystem and exploit the grassland resources. 摘要草业优先发展是我国恢复草地生态和开发草地资源的迫切要求。
- In resent years, the quality of grassland resources in this area has declined sharply due to overgrazing and deterioration of natural environment. 近几年,由于自然环境的破坏及人为超载过牧,使该区的草地资源质量明显下降。
- Frequent occurrence of grassland fire causes a decrease of grassland resources which threatens the development of stockbreeding and environment in China. 摘要中国草原火灾的频繁发生,导致草地资源减少,畜牧业发展受到威胁,生态环境遭到破坏,因此有必要对中国草原火灾灾情进行研究。
- Remote sensing technology had been used in na-tional agricultural resources survey, monitoring and regionalizing. 我国利用航空航天遥感技术完成了农业资源的调查、监测和区划工作。
- The area of mine exploitation and outer dump or digging are large in steppe,which destroyed many grassland resources and also formed lots of new soil and water losses. 草原区的煤炭开采,大量的挖损和排土场岩土排弃占地面积大,人为堆垫的松散堆积物形成再塑地貌,破坏大面积草场原地貌环境,是新生水土流失的源地。
- Including its China Geological Survey in 2003 misappropriation and diversion of land resources survey 212 million for special funding wages allowance. 包括所属中国地质调查局2003年挤占挪用国土资源调查专项经费212万元用于发放工资津贴。
- Meanwhile, the establishment of a national land inspectorate system and continue to promote land resources survey evaluation will be the last two major land management. 同时,建立国家土地督察制度和继续推进土地资源调查评价将成为今年土地管理的两大重点。
- Whether the selection of grassland grazing systems is reasonable has direct influences on sustainable utilization of grassland resources, bioenvironmental quality on grassland and herdmen's income. 草地放牧制度选择的合理与否,直接影响草地资源的可持续利用和草地生态环境质量以及牧户经营收入。
- The grassland resource is evaluated, managing experience and use waye of grassland are summarized. 对草场资源进行了评价,总结了草场培育经验及利用方式;
- This paper reviewes the resources survey,development studies status and purification and further processing of attapulgite at home and abroad,and discusses new products development trends. 介绍了国内外凹凸棒石的资源概况、开发应用现状及提纯和深加工技术,指出了新产品开发方向。
- The consistency of boundary was studied where many people work together in forest resource survey based on GIS. 摘要对基于GIS进行森林资源二类调查多人协作中维护图形数据一致性问题进行研究。
- Grassland resource is not only the substantial base for the peasants and herdsmen to survive and develop,but also the green shelter of Qinghai-Tibet plateau ecology. 草地资源是青海省畜牧业生产和广大农牧民赖以生存和发展的物质基础,是青藏高寒生态系统的绿色屏障。
- Objective To provide data for the exploration of the Caprifoliaceae by resource survey in Ziwuling of Gansu Province. 目的调查甘肃子午岭林区忍冬科药用植物资源,为合理开发利用提供依据。
- The grassland resources in Inner Mongolia are fairly rich.But grasslands are fast being depleted and degraded now.Overgrazing is one of essential reasons . 摘要内蒙古草地资源丰富,但面临着逐年退化,面积日益缩小的危机,其中草原过度放牧是重要原因之一。
- natural grassland resources yield 天然草地资源产量
- Some 156 new mineral deposits of large or medium scale were discovered through national land resources surveys and geological surveys. 国土资源调查及地质勘查新发现大中型矿产地156处。
- planning of grassland resources database management 数据库管理