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problems of land
相关语句
  土地问题
     The land adjustment is a sort of technique and tool that can solve problems of land utilization.
     土地整理是解决我国土地问题的一项技术和工具。
短句来源
     The present status and main problems of land resourece utilization in the middle part
     本文分析了晋中地区土地资源利用的现状及土地问题的主要症结。 提出实现土地资源可持续利用要加强土地宣传教育,树立土地忧患意识;
短句来源
     In view of the grave problems of land then,a number of thinkers in the Han Dynasty put forward many specific propositions.
     汉代思想家针对严重的土地问题提出了许多具体主张。
短句来源
     The two decrees reflect peasants'will and interests,met their demands for land,guaranteed their right of use and provided law basis and guiding principles for Youjiang rev- olution base areas to carry out the land revolution and to solve those problems of land.
     这两部土地法令体现了农民群众的意愿,满足了农民群众获取土地的要求,代表了农民群众的利益,依法保障了农民群众的土地使用权,为右江革命根据地开展土地革命、解决土地问题提供了法律依据和准则。
短句来源
  “problems of land”译为未确定词的双语例句
     Study on the Problems of Land Utilization in China After Entering WTO
     加入WTO后中国土地利用问题研究
短句来源
     However, the problems of land market are compared obviously since land management is weak.
     城乡结合部土地交易活跃,土地价格类型多样,但是由于管理比较薄弱,土地市场中问题比较突出。
短句来源
     Analysis is made on the main problems of land management in urban construction of Wuhan.
     分析了武汉市城市建设土地资源经营中所存在的主要问题 ,利用信息技术处理此类问题的优势 ;
短句来源
     This part not only analyzes the present land use and the land use subarea , but also summarizes the use characters and problems of land resource.
     重点分析了榆阳区土地利用现状、土地利用模式、土地利用程度、土地利用分区,并对榆阳区土地资源利用的特点和存在的问题作了简要概述。
短句来源
     The Problems of Land Expropriation Compensations and Benefit Segmentation in Beijing
     北京市征地补偿与利益分割问题研究
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  相似匹配句对
     Problems
     问题
短句来源
     Impersonality and Its Problems
     “非个性化理论”问题研究
短句来源
     Problems of Uriangkhai
     乌梁海问题
短句来源
     On Problems of Robbery
     抢劫罪的若干问题
短句来源
     On Land Requisition
     论土地征用
短句来源
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  problems of land
The survey enabled community awareness of the problems of land degradation to be increased, in addition to assisting regional land managers in resource allocation.
      
With the further deepending of reform and openning up, some new problems of land resource exploitation and use have arisen.
      
The problems of land use and water consumption are of overriding importance in siting new powerplants.
      
There are also widespread problems of land erosion, salt water intrusion in coastal areas and increased pressures from urbanisation.
      
This means several severe problems of land ownership have to be solved in order to realise the rather comprehensive ecological networks.
      
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The structure of solution for the general case of flow in a bounded two-aquifer system with a semipervious interlayer and only one aquifer producing has been found, and the exact solution for the typical case of a homogeneous radial system with only one well located at its centre was obtained. This paper provides a theoretical and practical basis for the evaluation and utilization of water resources as well as for oil production and water injection in multi-layer oil reservoirs. It can also be used to solve...

The structure of solution for the general case of flow in a bounded two-aquifer system with a semipervious interlayer and only one aquifer producing has been found, and the exact solution for the typical case of a homogeneous radial system with only one well located at its centre was obtained. This paper provides a theoretical and practical basis for the evaluation and utilization of water resources as well as for oil production and water injection in multi-layer oil reservoirs. It can also be used to solve the problem of land subsidence in large cities.

本文在有限封闭含水层系的普遍情形下求得了解的结构,对均质的圆形地层中有一口圆心井的典型情形,则获得了问题的精确解。本文对地下水资源的评价和利用问题,多油层油田的开发问题具有重要的理论和实际意义,同时,可以作为解决大城市地面沉降问题的一个方面的理论依据。

The Loess Plateau is mainly situated in the middle part of the Huanghe River and in the North along side with the Great Wall, starting from the Riyue Mountains in Qinghai Province in the west to the Taihang Mountains in the east, and stretching to the Qingling Mountains in the south, covering 7 provinces or autonomous regions such as Qinghai, Gansu, Ningxia, Shanxi,. Nei Mongol, Shaanxi and Henan. Its total area is 530,000 km~2, of which the typical loess area is 275,600km~2 with a total population of about...

The Loess Plateau is mainly situated in the middle part of the Huanghe River and in the North along side with the Great Wall, starting from the Riyue Mountains in Qinghai Province in the west to the Taihang Mountains in the east, and stretching to the Qingling Mountains in the south, covering 7 provinces or autonomous regions such as Qinghai, Gansu, Ningxia, Shanxi,. Nei Mongol, Shaanxi and Henan. Its total area is 530,000 km~2, of which the typical loess area is 275,600km~2 with a total population of about 60 million. Grievous water losses and soil erosion are the sources of not only the infertile land and the poverty of the people over the loess plateau but also the harmfulness caused by the Huanghe River. At the same time, the permanent control of the Huanghe River must proceed to control water losses and soil erosion. And yet, the control of the loess plateau must be the comprehensive, all-round and regional control. As a matter of the fact, the control of the loess plateau is a problem of land realignment with the rational land use as its core. The rational land use over the loess plateau must proceed to protect and adjust land resources closely related to its control so as to ensure the rational land use and on going exploitation of land lesources. Based on the rapid and all-round recovery of vegetation and the prevention of water losses and soil erosion, the reproductive ability of land resources should be continuously raised, the ecological environment can be further improved and the production potential of natural resources of agriculture may be brought into full play. Thus, steadily increasing agricultural production, raising economical returns and improving the living standard of the people can be surely achieved. For this reason, good conditions must be created for building the loess plateau into a prosperous and socialist paradise so as to develop the vast northwest China rapidly and to bring the Huanghe River Under permenant control. The urgency of controlling the loess plateau is shown in grievous destruction of land resources and continuous worsening of ecological environment. There are the" 5 indiscriminations"(that is, indiscriminate cultivation, indiscriminate grazing, indiscriminate fuel collecting, indiscriminate felling and indiscriminate medicinal herbs gathering) so that droughts, winds, frosts and freezesoccur very often. Agricultural production is low and unstable. Therefore, all the resources come nearly to their ends, and the life for the people is intolerable. The occurence of very big flood may, sometimes, cause severe disasters to the people in the. lower reaches of the Huanghe River. The comprehensivity and complexity of controlling the loess plateau is shown in the following aspects: the broken landform/intercutting gullies/ complex and changabre land types/great difference in land fertility/grvious water losses and soil erosion/highly differentiated conditions for plants to establish/long-term monocultivation of agriculture/high cultivation indexes with very extensive farming and grain production as the only basis. In this way indiscriminate opening the mountains to grow crops, letting the land lay wasted and fallowing the land have been formed with the results that a vicious cycle of cultivating big acreage with lowyield and vice versa is becoming even worse and worse so as to bring about a series of contradictions among agriculture, forestry, animal husbandry and sideline occupations. Accordingly, "three lesses" (i.e.per capita has less basic farm land, less forestry land and less grass land) have become so serious that it is difficult to carry out the adjustment. The approaches of social economic development, and conservation and exploitation of natural resources should be different because of the facts that the loess plateau stretches steppe and fores-steppe areas within the South temperate zone, and is also far away from the seas so that rainfall from the east to the west and difference of light and heat from the south to the north are very distinct, and there are also many other differences such as the ununiformity of cover of soil layers/complexity and diversity of the underlian paleo-geomorphological foundation/great difference between the reliefs/various flatness and steepness of the land surface/different length of the growing periods/apparaht difference of agricultural zones/different population densities of various regions over the loess plateau. And therefore, controlling the loess plateau must be under the guidance with the unified strategical objective and the principle of the comprehensive control in close connection with the working out of implementatiqn of the reliable plans according to local conditions. Based on the characteristics of soil erosion, deep layers of loess soil with strong penetration ability and big volume to store much water and extreme loose in texture to be easily washed away, the paper held that all the rainfall can be made to penetrate into soils to be stored, which can not only relax the uneven rainfall and bring producctive potential but may also prevent soils from erosion and eliminate disasters caused by the rapid rise and fall of floods of the Huanghe River. Accordingly,''making all the rainfall penetrate into soil for storage" put forward will be considered as a strategical requirement to bring the Huanghe River under the permanent control. This strategical requirement is based on the positive theoretical basis, and at the same time, it has also been proved by the geo-historical and current realities viewed in the Ziwuling Mountains. We advocated to do things according to two objective laws. To begin with, based on the characteristics of the bioclimate and the agricultural productive resources, the loess plateau wlil be divided into 5 regions, of which the meadow and forestry areas in Tibetan-Qinghai plateau belong to the rock plateau and the high mountains. Although this region is beyong the range of the loess plateau, it is located in the middle part of the Huanghe River where there are part of valley lands(e.g. the Huanghe River Valley and Gueide Basin), covered with the loess soils. Thus, starting from the regional control, this region is also listed into the loess plateau. Within each region,25 subregions have been divided in terms of different geomorphology, difference of human effects and the degrees of destruction of land resources. And in accordance with the above requirements for the comprehensive control, a suggestion of th,e individual control plan has also be worked out.

本文在介绍了黄土高原的基本概况与建设成就之后,详细剖析了黄土高原地区存在的问题及其产生的原因,总结了其中的经验教训.文中还着重分析了该地区的自然资源及农林牧副各业生产潜力,提出了资源合理利用与综合经营的具体意见。在此基础上,制定了5个地带25个区域的分区综合治理方案.为了保证这个方案的实施,本文在最后一部分提出了10条必需的保证措施.

This paper discusses some problems of land classification and mapping,that is mapping unit, land valleys classification and mapping, the zero-level land type units, and satellite photograph interpretation.

本文就土地类型制图中有关编图单元、勾谷地的勾画、零级单元的划分、卫片在土地类型制图中的应用等几个较重要的问题进行了讨论。

 
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