持續乾旱 的英文怎麼說

中文拼音 [chíxùgānhàn]
持續乾旱 英文
prolonged drought
  • 持 : 動詞1 （拿著; 握著） hold; grasp 2 （持有; 保持） keep; hold 3 （支持; 保持） support; maintain 4...
  • 續 : Ⅰ形容詞（連接不斷） continuous; successive Ⅱ動詞1 （接在原有的后頭） continue; extend; join 2 （...
  • 乾 : Ⅰ名詞1. （八卦之一） qian, one of the eight diagrams2. （姓氏） a surname Ⅱ形容詞（舊時稱男性的） male
  • 旱 : Ⅰ名1. （沒有降水或降水太少） dry spell; drought 2. （非水田的; 陸地上的） dryland 3. （陸地交通） on land Ⅱ形容詞（乾旱） dry; arid
  • 持續 : 1. （延續） last; continue; sustain 2. （連續地） continued; sustained
  1. The program will have to eradicate the agricultural misery in the north amazon region and northeast arid region, expect that the culture of short cycle is substituted by permanent cultures and try to construct a energy forest with native oil been plants in the amazon region where about 200 million hectares of deforested lands are degrading

    他介紹了巴西的生物柴油計劃，包括扭轉巴西北部亞馬遜地區和東北部乾旱地區落後的農業，以可持續的生產方式替代短期的生產方式，並提到巴西亞馬遜地區有約2億公頃被砍伐后正在退化，有可能在這些土地上種植當地的產油作物，形成一個產能可以供應整個歐盟生物燃油需求的能源作物林。
  2. Week after week the drought continued.

    乾旱持續了許多星期。
  3. The dissertatio n constructs the index system, introduces the coefficients of development, coordination, fairness, and the coefficient of sd, which is composed by the former three and can reflects the sd overall strength of watershed, brings forward the quantative criteria of in order that the research of wrcc is based on the good watershed ecology and environment, the dissertation, according to the ecological appropriate theory, builds the logarithm normal distribution model about the relation between the growth of natural vegetation and the depth of groundwater ; based on this relation model, proposes a quantitative method of ecological water requirement ( ewr ) of natural vegetation in arid area, which utilizes the results of rs technique and the spot testing data of vegetative physiology demand

    針對流域特點建立了基於水資源的流域可持續發展評價指標體系，引入發展系數、協調系數、公平系數，以及由其構成的衡量水資源支撐社會可持續發展綜合水平與能力的可持續發展系數，提出了可持續發展的定量判別方法。為保證在良好生態的前提下進行水資源承載能力研究，論文根據生態適宜性理論，建立了乾旱區典型天然植物生長與主要環境因子的偏態單峰對數正態分佈模型。基於此關系模型，利用遙感技術成果以及植物生理需水的現場實驗數據，提出了乾旱區天然植被生態需水量計算方法。
  4. In middle and late periods of the early permian, the pre - caspian areas rose successively, the climate became dry, and the environment turned to be supratidal zone ( evaporitic environment ), resulting in the spread sedimentation of salts and the formation of the salt sediment group ( the upper part of the lower permian ) which consists mainly of halite and anhydrite

    早二疊世中後期由於持續構造抬升，盆地氣候變得乾旱，海水變淺，潮上帶蒸發環境發育，以致這一時期廣泛發育鹽類沉積，形成含鹽層系，主要由鹽巖和硬石膏層構成，並形成許多大小不等的鹽丘構造。
  5. Landscape structure adjustment and the sustainable utilization of water resources in arid and semi - arid region

    景觀結構調整和乾旱半乾旱區水資源的可持續利用
  6. Climatic variation is a major factor of affecting the rate of desertification. the sustained period of water deficit is a direct cause of desertification in arid and semi - arid areas

    其中，氣候變化是控制沙漠化進退的首要因素，陸表水持續虧損則是導致乾旱、半乾旱地區土地沙漠化發展的直接原因。
  7. And climatic variation is a main factor affecting desertification. the sustained period of water deficit is a direct cause of desertification in arid and semi - arid areas. the tectonic activities of lithosphere control the distribution of desertification by constructing geomorphology

    提出了自然作用在土地荒漠化演化中佔主導地位，其中，氣候變化是控制土地荒漠化進退的首要因素，地表水持續虧損則是導致乾旱、半乾旱地區土地荒漠化發展的直接原因。
  8. Jilin province is one of the important commodity product base in china, but one or several kinds of nature disaster are happened, which include drought, flood, low temperature cold damage, frost injury, hail and gale disaster. that interfere the normal agricultural yield and restrict the steady and sustaining development of commodity product base in jilin province

    吉林省是我國重要的商品糧生產基地之一，然而在一些地區每年都發生一種或多種自然災害（乾旱、洪澇、低溫冷害、霜、雹、風等） ，干擾了正常的農業生產，限制了吉林省商品糧基地的穩定、持續發展。
  9. The crops are being threatened by the continuous dry weather

    莊稼正受到持續乾旱天氣的威脅。
  10. It is reasonable to make use of the sloping fields path the flow, and suppress this kind of malignant situation, and realize the agriculture efficiently use the water and then become the region ' s ecosystem environment developments with the important mission that the agriculture produce to moderate to develop

    隨著西部大開發和山區節水工程的實施，乾旱缺水與水土流失已成為影響寧夏南部山區經濟可持續發展的最大障礙。合理利用坡地徑流，遏制這種惡性局面，實現農業高效用水就成為該地區生態環境建設和農業生產協調發展的重要任務。
  11. Abstract : monthly rainfall data from 1951 to 1995 for june, july and august in 13 meteorological stations of the north china were used for accounting z index and discussing serious flood and drought featureas in these months. serious flood mainly happened in july and august, and sevious drought mainly happened in august. there were more flood in 1950 ' s to 1960 ' s and more drought since 1970 ' s in the north china. meanwhile, the deeper trough which covered the regions from the ural mts. to the balkhash lake play an important role in serious rainstom in rainy season in the north china. there often happened serious flood ( drought ) when the northwester pacific subtropical high was by west and north ( east and south ), and the sea surface temperature in the equatorial central and eastern pacific was mainly in dropping ( raising ) stage

    文摘:利用華北平原地區的13個站點， 45年（ 1951 1995 ）的降水資料，對夏季4個時段（ 6月、 7月、 8月、 6 8月）進行了z指數計算，確定了該地區各個時段的嚴重澇年和嚴重旱年.發現華北地區雨季的嚴重洪澇主要集中在7 ， 8月，嚴重乾旱則主要發生在8月，並可明顯看出由50 60年代的多水期向70年代中期以後的少水期的轉變，另外，烏拉爾山到巴爾喀什湖附近的低壓槽加深和西北太平洋副熱帶高壓的北抬，對華北地區雨季持續性暴雨的產生起著決定性的作用.嚴重洪澇年的夏季（ 6 8月） ，西北太平洋副熱帶高壓偏西、偏北，赤道東太平洋海溫多處于下降階段;嚴重乾旱年西北太平洋副高偏東、偏南，赤道東太平洋海溫則處于上升階段
  12. Based on an analysis of causes and basic characteristics of drought in north and south areas of china, it is pointed out that drought in north areas, such as the yellow river basin and the huaihe river basin, was characterized by the severe systematic demand - supply contradiction resulted from the shortage of water resources, and successive drought disasters intensified by hot and dry weather, and that drought in south areas was characterized by the occurrence or successive occurrence of dry years due to hot and dry weather and the seasonal water shortage induced by their geographic and climatic features and insufficient water supply capacity

    摘要以區域乾旱特徵分析以及乾旱災害應對策略研究為目的，闡述我國南、北方兩種不同地域類型的區域乾旱成因和基本特徵，指出黃淮海區域的乾旱特徵主要表現在天然水資源短缺引發的系統性深度供需矛盾，以及晴熱少雨氣候加劇這種矛盾而產生的持續乾旱災害；南方地區的乾旱特徵主要表現在晴熱少雨氣候導致枯水年或連續枯水年出現，以及地理氣候特徵和供水工程容量不足等因素產生的年內季節性乾旱缺水。
  13. The mission of the conservation and production research laboratory is to 1 ) develop improved water management methods and irrigation technology for sustaining or enhancing crop productivity, improving water use efficiency, reducing ground water use, and enhancing water and soil quality ; 2 ) develop management practices that optimize the use of water, soil, climatic, and nutrient resources for economically and environmentally sustainable crop and livestock production systems under dryland and limited - irrigation conditions ; 3 ) develop systems for utilizing renewable energy sources ( wind, solar, and biofuels ) for pumping irrigation, livestock, and farmstead water and generating electric power ; 4 ) develop regimens that reduce environmental risks posed by accumulations of feedlot wastes by reducing the phosphorus content, improving nutrient utilization, and applying manure to grasslands

    描述:美國農業部保持與生產研究實驗室的主要任務是： 1 .開發水資源管理方案或灌溉技術，提高用水效率，減少地下水使用，改善土壤和水質； 2 .使水資源、土壤資源、氣候和養分資源達到最優化，以保證在乾旱和灌溉條件有限的地區種植業和畜牧業能可持續發展； 3 .開發可再生能源用於灌溉、畜牧飼養和發電； 4 .通過減少磷成分，降低飼養場廢棄物的環境風險，將其施用於牧草地，提高養分利用率。
  14. Hi this paper, on the basis of state - of - the - art development trends of forestry in our country and other countries and taking the 21st century as eco - century, by using ecological theory, sustainable development theory and engineering theory of systems, and liaoning was regarded as a big system, the functions of liaoning forestry in the system were studied, the sustainable development strategies, such as the relationship of population and forests, optimal coverage rates of regional forests were discussed

    遼寧林業也關繫到遼寧人的生存與發展。特別是關繫到遼西、遼北，半乾旱及沙漠邊緣地區經濟的農業及經濟的發展，在21世紀新的經濟發展時期，世紀的林業戰略至關重要，對遼寧整體經濟的發展具有重要的意義。因此，依據目前國內外林業的發展趨勢及21世紀這一生態世紀，通過運用生態學理論、可持續發展理論利系統工程理論，將遼寧整體作為一個大系統，研究遼寧林業莊系統中的作用。
  15. After wto accession of china and coming of the new century, global ecology and environment are deteriorating severely. as economy of china continued developing, consumption of natural resources was increasing, the quality of forestry resources degraded, the functions of forest ecology were gradually weakened, disastrous floods occurred in the yangtze river, songhua river and nenjiang river. meanwhile, floods also happened in the hunhe river systems of liaoning province in the 1990s of late 20th century, and droughts in western regions of liaoning have threatened the whole province

    隨著中國加入世貿組織及新世紀的到來，面對全球性生態環境的不斷惡化以及由於我國經濟持續地高速發展，對資源消耗過快過人，使森林資源品質不斷下降，森林維持生態平衡的功能的作用逐漸削弱，不僅我國三江連續發生洪水，西北乾旱加重，黃河多次出現斷流，遼寧在20世紀90代的渾河水系也曾發生過水災，遼寧西部乾旱日趨加重，已經威脅到整個遼寧。
  16. Meteorological drought is the foundation of other kinds of drought. the objective of this research is to develop a meterological drought severity model considering climate factor comprehensively, which reflecting the beginning, end, the cause of formation and the severity of drought, and is comparable in space and time

    氣象乾旱是各類乾旱的基礎，本研究的目的是建立一個考慮因素較為全面且、能反映乾旱的成因、程度、開始、結束和持續時間、具有時空可比較性的氣象乾旱嚴重程度評估模式。
  17. With the exception of sophora viciifolia, the transpiration rates for all plants were lowest in august

    蒸騰速率季節變化曲線與降雨量季節變化一致，持續乾旱可導致植物蒸騰速率顯著降低。
  18. After rain, the soil water content is higher, while no rain, the soil water content decreases faster relatively. in autumn, the soil water content begins to drop, but the drop range is small than summer. during continual d rought, the soil water content of surface layer approaches to that of middle layer and under layer ; water conservation measures can increase chestnut ' s new branch remarkably, results difference among water conservation measures are not significant, meanwhile, water cons

    而在持續乾旱期，表層土壤的含水量接近於中下層土壤的含水量;保水措施能使新梢明顯增長，而保水措施之間的效果差異不明顯;同時保水措施並不能使新梢直徑明顯增粗;保水措施對成齡板栗樹根莖地徑的增粗生長影響不大;綜合以上試驗結果，秸稈覆蓋為太行山片麻巖區的最佳的保水措施，地膜覆蓋其次。
  19. A continuous drought is threatening the crops

    10莊稼正遭受持續乾旱天氣的威脅。
  20. The crops are being threatened with a long drought

    莊稼正受到持續乾旱天氣得威脅
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