arable area 中文意思是什麼

arable area 解釋
可耕地面積
  • arable : adj. 1. 適于耕種的，可耕的。2. 〈英國〉從事農作物栽培的。n. （可）耕地（＝ arable land）。 arable farming 作物栽培。 arable soil 適于耕種的土壤。
  • area : n. 1. 面積；平地；地面。2. 空地；〈英國〉地下室前的空地。3. 地區，地方；〈比喻〉區域；范圍。
  1. In this area arable farming is a hazardous practice.

    在這個地區，可耕種的作物完全是碰運氣的。
  2. In acidic soils, its toxicity is considered to be the most limiting factor for plant productivity. based on an estimate of the world ' s potentially arable land resources, it has been estimated that most of the cultivable area ( 78. 4 % ) is composed of acid soils

    全世界有39 . 5億hm ~ 2酸性土壤，其中可耕土壤面積為1 . 79億hm ~ 2 ，如何解決酸性土壤的鋁害問題已經是不容忽視的一項重要課題。
  3. The elementary idea of the reference units method can be described as follows : firstly, by the setting of double series of reference units, we can control the highest and lowest land quality class of each village or town ; secondly, the class of the arable land will be get through the contrast between the arable land with the reference unit which has been selected in the same area, the difference in quality is the key factor to classify the land. the results show, 87. 6 % of the lands from i to iii distribute on alluvial and lacustrine plains, where the associated soils are mainly grey fulvo - aquic and calcareous concretions black ones. and 61. 4 % of them from iv to vi distribute on slightly rolling parts with mainly yellow - cinnamon soil developed from the diluvial and slope deposits

    分等結果表明：臥龍區等的耕地中，有87 . 6分佈在沖積、湖積平原區，主要土壤類型是在河流沖積物上發育形成的灰潮土、在湖相沉積物上發育形成的砂姜黑土；等耕地中，有61 . 4分佈在壟崗區，主要土壤類型是洪坡積物上發育形成的黃褐土：而、等耕地集中分佈在丘陵區，主要土壤類型是殘坡積物上發育形成的粗骨性黃褐土，等別結果分佈總體上體現了不同地貌類型、土壤條件下耕地質量的差異。
  4. The results show that : the main driving forces of arable land change of shouguang county are the per capita income, the ratio of the pasture output value, the ratio of the cropping output values and the ratio of agricultural labor force proportion ; the main driving forces of arable land change of quzhou county are the variation of grain yield per unit area, the ratio of the pasture output value, the ratio of the cropping output values, the ratio of grain field areas and the population density

    結果表明：壽光市耕地變化的主導驅動力包括人均收入、牧業總產值比例、種植業總產值比例和農林牧漁業勞動力；曲周縣耕地變化的主導驅動力包括糧食單產、牧業總產值比例、種植業總產值比例、糧田面積佔耕地面積比例和人口密度。在此基礎上，揭示縣域尺度上耕地變化的驅動機制，並為進一步進行土地利用覆蓋變化研究積累方法和經驗。
  5. Currently, land resources supply is under tense situation in our country, so the regulation of abandoned lands of mines, has great significance to slowing down of the decrease of arable area throughout the country and improving land use efficiency

    在當前我國土地資源供應極為緊張的局面下，礦山廢棄地整治對于減緩全國耕地面積下降、提高土地利用效率意義重大。
  6. This article points out that in china, the drought is aggravating gradually, agriculture proportion is decreasing slowly, arable area per capita, irrigation area and weight of diffusion area of new quality maize seed shows slow growth. it is difficult to improve maize technical efficiency

    對技術效率的影響因素的研究結果表明，全國的旱災趨于加重，農業比重正在緩慢下降，人均耕地面積、灌溉和新品種應用的增長不快，而且從分佈上來看多對玉米主產區不利，未來玉米技術效率提高的形勢嚴峻。
  7. So, to accelerate the regulation to abandoned land and replenish the arable area is implementing the scientific concept of development ; to adhere to the strictest arable land protection system and implement sustainable use of land which is an important measure, is of great significance to the restoration and improvement of the ecological environment, development of a recycling economy, building a conservation - minded society and the promotion of comprehensive, coordinated and sustainable development of economy and society

    加快推進礦山廢棄地整治，補充耕地面積，是貫徹落實科學發展觀，堅持最嚴格的耕地保護制度，實施土地可持續利用的重要舉措，對恢復和改善生態環境、發展循環經濟、建設節約型社會、促進經濟社會全面協調可持續發展具有十分重要的意義。
  8. With advantageous water, soil and organisms resources, the dadiwan culture, the yangshao culture, the longshan culture and the xiashang culture developed, original settling - down dry farming culture formed gradually, which laid sound foundation for agriculture civilization in the weihe valley ; among which, land use of arable farming was replaced largely by pastoral farming in the mixed area of agriculture and animal husbandry in north weihe region between 4 000 - 3 000 a b. p., because of dry and cold weather resulted in environment deterioration and soil degradation. at the beginning of 3 100 a b. p.,

    在8500 3100abp全新世大暖期，渭河流域水、土、生物資源條件優越，人類發展了大地灣文化、仰韶文化、龍山文化和夏商文化，逐步形成了原始定居旱作農業類型文化，從而奠定了渭河流域農業文明的基礎，其間在4000刁000ab衛，渭河流域北部的農牧交錯帶，由於氣候的逐漸冷干化，導致水、土、生物資源退化，造成旱作農業土地利用方式由遊牧業取而代之。
  9. Desertified land area of 2. 6362 million square kilometers, accounting for land area of 27. 46 percent, more than the total area of arable land

    沙漠化土地面積為263萬6200平方公里，占國土面積的27 . 46 % ，超過全國耕地總面積。
  10. The loss results from those factors, which are divided into three groups : the first one, drought, agriculture proportion and education index, is positively related with the loss of technical efficiency. the second, arable land per capita, weight of irrigation area and weight of new maize breed, is negatively related with it, and the last, water disaster and planting area of maize, is irrelated with that

    在影響玉米產出的各個因素中，旱災、農業比重、教育指數和效率損失呈正相關，人均耕地面積、灌溉、新品種應用和效率損失呈負相關而與技術效率正相關，水災、玉米種植比重兩個變量沒有表現出和效率損失有明顯的相關性。
  11. This dissertation is based on the practice of many tasks about the land - readjustment of chongqing three - gorges reservoir area. from the viewpoint of land science, combined with others, such as geography, ecology, adhering to the basic principle of integrating theory with practice, using scientific research methods, it concluded the analysis on the potentiality of land - readjustment in the arable land and the rural residential land of chongqing three - gorges reservoir area, estimated the potentiality of land - readjustment in the arable land and the rural residential land, made out the potentiality of land - readjustment, concluded the characteristic on the potentiality evaluation of the land - readjustment. finally, it promoted much profitable exploration on some interrelated questions

    本論文在重慶市三峽庫區多項土地整理課題研究的實踐基礎上，吸收借鑒諸多前人在土地整理方面的研究成果，從土地科學的學科角度，結合經濟學、地理學、生態學等多項學科，堅持理論聯系實際的原則，採用科學的研究方法，對重慶市三峽庫區耕地和農村居民點用地整理的潛力進行了細致的分析和深入的探討，估算了耕地和農村居民點用地整理潛力，並對其進行了潛力級別的劃分；總結出了這一地區耕地整理和農村居民點用地整理潛力評價的特色，提出一些相關問題並進行了探討。
  12. The rapid development of economy, rapid process of urbanization and the continuous increase of population bring more and more stress to arable land, the total area of arable land and the average area per head of arable land decrease increasingly. and with the improvement of the people ' s standard of living, requirement to farm produce is higher. population, land and grain will be in strained state

    當前我國經濟的迅速發展、城市化進程的不斷加快，及人口的持續增長對耕地造成的壓力越來越大，耕地總面積及人均耕地面積日益減少，且隨著人民生活水平的提高，對農產品的需求越來越高，人口、土地和糧食三者之間的矛盾日顯突出。
  13. The structure of land use has changed since 2000, forest land use increased, and land use structure change into arable land - forest - grass from arable land - grass - forest. from 1980 to 2000, arable land, grass land and water area decrease, forest and no use land increase, 62. 25 % water area change into arable land and forest. arable land and forest land is stable

    邯鄲地區土地利用轉化方向與程度研究表明：從1980年? 2000年邯鄲地區草地大量轉為林地和耕地； 62 . 25水域發生轉化，主要轉化為耕地和林地；林地、耕地比較穩定； 3691 . 6公頃的耕地轉化為建設用地； 2000年近1 / 3的建設用地是由耕地轉化而來，近90林地由草地和耕地轉化、水域和建設用地轉化來。
  14. Lastly the natural production potential and economic production potential of arable land in yellow river - huaihe river - haihe river plain are analyzed by the means of technology technology economics. the conclusion is that natural production potential is quite big, and economic production potential is biggish in this area

    最後，本文應用技術經濟學方法對黃淮海平原區耕地的自然生產潛力和經濟生產潛力進行了分析，結果表明，黃淮海平原區自然生產潛力是相當大的，經濟生產潛力也較大。
  15. With its high population ( about 22 % of world total ) and limited arable land ( about 7 % of world total ), china has to achieve higher yields per unit area to provide enough food, fibre, and other agricultural commodities for its people

    我國有佔全世界22 %之多的人口，而只有佔全世界7 %的有限耕地，為了供給人們足夠的糧食、纖維和其他農產品，不得不盡可能提高單位面積產量。
  16. Under the pressures of population increase, arable land decrease, water shortage, planting area reduction of three major grain crops ( rice, wheat and maize ) in recent years, there is a potential crisis in food security in china

    摘要在人口增加、耕地面積減少、水資源缺乏以及水稻、小麥和玉米三大糧食作物種植面積下降等因素的影響下，中國食物安全存在著潛在的危機。
  17. We summarize our results as follow : during the period of 1981 - 2000, there was a great change of land use in the county. the area of arable land, forest and saline - alkali land increased ; water land and resident land changed a little ; the area of the grassland and wasteland decreased greatly

    結果顯示：在1981 2000年這二十年間，長嶺縣的土地利用變化總的趨勢是：耕地、林地和鹽堿地面積增加，水域、居工用地變化不大，未利用地部分已被利用，草地面積急劇減少，並伴隨著日益加劇的沙化和鹽堿化。
  18. Contrarily, the energy consumed per unit of construction area is more than two to three times the amount used in developed countries. the per capita amount of arable land and water resource in china is only one - third and one - fourth of the world ' s average respectively

    在我國化石能源資源探明儲量中， 90 %以上是煤炭，人均儲量也僅為世界平均水平的二分之一；人均石油儲量僅為世界平均水平的11 % ；天然氣僅為4 . 5 % ；而目前我國單位建築面積能耗是發達國家的2 - 3倍以上。
  19. The characteristics of land use change in this area are increase of arable land, urban construction and residents in rural areas and considerable decrease of natural grassland, furthermore the trend of land use type reducing to one occurred. the spatial change of land use structure shaping gradient from along the coast to the inland is one aspect of character of land use change

    土地利用變化的特點是耕地、城鎮建設用地、農村居民點用地增加，天然草地大量減少，土地利用類型有向單一化發展的趨勢，土地利用呈現出明顯的由沿海向內陸遞變的梯度型變化。
  20. Part three was the main part of the dissertation. it analysed the potentiality of land - readjustment in the arable land and the rural residential land of chongqing three - gorges reservoir area

    第三部分是全文的主體，是對重慶市三峽庫區耕地及農村居民點用地土地整理潛力作出具體的探討分析。
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