water loss and soil erosion 中文意思是什麼

water loss and soil erosion 解釋
水土流失
  • water : n 1 水；雨水；露；〈常作 pl 〉 礦泉，溫泉；藥水。2 〈常 pl 〉水體；水域；水道；海；湖；河；海域；...
  • loss : n. 1. 喪失；丟失，遺失。2. 減損，損失，虧損（額）；損耗；減少，下降。3. 失敗；輸掉。4. 錯過；浪費。5. 損毀；【軍事】傷亡；〈pl. 〉 傷亡及被俘人數。
  • and : n. 1. 附加條件。2. 〈常 pl. 〉附加細節。
  • soil : n 1 泥土，土壤；土質。2 土地，國土。3 滋生地，溫床。4 農業生活，務農。n 1 臟東西，污物，污穢，污...
  • erosion : n. 1. 腐蝕，侵蝕（作用）。2. 【醫學】糜爛，齒質腐損。
  1. We have extended our research on rocky desertification, provided solid theoretical and technical basis for the control of rocky descrtification and established successful rehabilitation model with chinese characteristics such as integrated control of small drainage area, returning cultivated land to forestry and grass, production of both animal and grass, changing slope to terrance in order to prevent water loss and soil erosion, aiding the poor byway of environmental immigration and development and improving representative fragility ecology, etc

    貴州對喀斯特石漠化生態環境進行了長期、持久的研究，為石漠化治理提供了堅實的理論基礎和有力的技術支撐，形成了具有中國特色的成功治理模式：包括小流域綜合治理模式，生態農業模式，退耕還林還草、林草結合的草、畜（禽）生產模式，草地畜教業模式，坡耕地防治水土流失的坡改梯模式，環境移民與開發式扶貧模式，典型脆弱生態環境綜合治理模式等。
  2. The research results mainly show : ( 1 ) the ecological degradation characteristics of wuxi county include : some soil is thin and barren and its water and fertility conservation abilities are poor, gradual degradation of soil results in decrease of vegetation diversity and the vegetation community structure gradually inclines tc simplicity from complexity. the types of soil and water loss in wuxi county mainly involve surface erosion and gully erosion. according to investigation, surface erosion area occupies 80 % or so or erosion area, in which the slope farmlands surface erosion area accounts for about 70 % of farmland erosion area

    研究結果主要包括： （ 1 ）巫溪縣生態退化特徵表現：作為生物生長基質的部分土壤薄而貧瘠，保水保肥能力差，部分地區基巖裸露，土壤的不斷退化導致植物種多樣性減少，植物種群結構逐步由復雜趨向簡單化；縣內水土流失的類型主要包括面蝕和溝蝕兩大類，據調查，面蝕面積占侵蝕總面積的80左右，其中坡耕地面蝕佔耕地侵蝕面積的70左右。
  3. At the same time the study analyse the structural system of the index and it ' s weight with the ahp, and choose soil quality, soil thickness, the content of organic matter, terrain, elevation and the ration of irrigated guarantee as gradation index and choose soil quality, soil thickness, the content of organic matter, terrain, elevation, the ration of irrigated guarantee, the condition of traffic, the distance from the central city, the scatter degree of field, the neat degree of field, loss of water and erosion of soil and land contamination as classification index. at the same time the study emphasize the effect of the condition of ecological condition and environmental contamination

    採用層次分析法對該區域農用地分等定級的指標體系及其權重進行了研究，選擇表層質地、土層厚度、有機質含量、地形、海拔、灌溉保證率等6項指標參與分等評價，選取表層質地、土層厚度、有機質含量、地形、海拔、灌溉保證率、對外交通狀況、距市中心距離、田間道路狀況、田塊分散度、地面平整度、水土流失、土地污染等13個因子分指標區進行定級評價，強調了生態條件及其環境污染狀況在農用地分等定級中的作用。
  4. The results show that ( 1 ) the system of contour dams, contours and fallow had positive impact on water and soil losses than grass stripes and contour ditch. at the same time it was showed that contour dams, contours, fallow significantly reduced soil erosion and water loss, grass stripe and contour ditch had recorded reduction in water and soil losses although to a much less extent than above 3 farming systems. most of sediment was bed load in all the systems except in contour dams and contour fanning

    研究的主要結論如下： 1 、運用坡面徑流小區法系統地研究了當地農業生產活動中不同農作措施下紅壤坡耕地水土流失特徵、土壤養分流失規律及形態特徵，結果表明： （ 1 ）同順坡農作措施相比：其它農作措施均具有明顯減輕水土流失的作用，等高土埂，等高農作、休閑處理控制水土流失的效果優於水平草帶和水平溝處理。
  5. A study on soil erosion and water loss prediction of highway construction in pisha sandstone area

    砒砂巖地區公路建設水土流失研究初探
  6. Article 30 design and work of highway construction should be done in conformance with requirements of the protection of environment, historical relics and sites and the prevention of water loss and soil erosion

    第三十條公路建設項目的設計和施工，應當符合依法保護環境、保護文物古跡和防止水土流失的要求。
  7. As the one of six forestry projects, the conversion of cropland to forest is one of important contents during the development of the western region, and it refer to chang the unresonablel manner of land using, reduce water loss and soil erosion, improve the ecological environment, and achieve sustainable developing

    退耕還林（草）工程是我國六大林業工程之一，也是我國西部大開發的重要內容，是改變不合理的土地利用方式、減少水土流失、改善生態環境、實現可持續發展的根本舉措。
  8. However the extensive use of scientific technology has brought serious environmental issues to the mankind in the same time, such as the waste of resources, the exhaustion of energy, the loss of water and erosion of soil, the greenhouse effect, the environmental pollution of the earth and so on, which made people in the world have to face the living crisis that they had never met

    與此同時，科學技術的廣泛利用也為人類社會帶來了嚴重的環境問題，如資源浪費、能源枯竭、水土流失、溫室效應、地球環境污染等，使人類面臨前所未有的生存危機。如何協調人與環境、環境保護和經濟發展的關系成為全球關注的熱點。
  9. Water loss and soil erosion is one of the most serious environment problems in china, which has slowed down the social and economic development in some rural areas. in some places of china, it has resulted in the arable degradation, soil desertification, filling up of irrigation works, and the increase of droughts and floods, etc. in consequence, the agricultural condition and ecological environment there become worse and worse. the causes of water loss and soil erosion include both unfavorable natural conditions and irrational land use, such as deforestation for cultivated land use. after analyzing the causes of soil erosion and its harms to the natural environment and human living, the author suggested some strategies for water and soil conservation, such as ecological engineering, reforestation and the application of biological technology

    中國是世界上水土流失最嚴重的國家之一，水土流失已成為我國的頭號環境問題.它不僅造成土地資源的破壞，導致農業生產環境惡化，生態平衡失調，水災旱災頻繁，而且妨礙社會經濟的發展和人民生活水平的提高.從自然條件和人為因素等方面出發，探討了我國水土流失產生的原因;分析了水土流失對耕地資源、旱澇災害、水資源利用、經濟發展等方面的影響;介紹了水土保持的一些有效途徑和措施
  10. Long - term ’ s soil and water conservation practice experiences show that, the check - dam is the key measure of soil erosion and water loss managements in the loess plateau region

    長期的水土保持實踐經驗表明，淤地壩是黃土高原地區水土流失治理的關鍵措施。
  11. The results show that topographic slope gradient has important influence on soil and water loss, the bigger slope gradient and the more soil and water loss, and the slope gradient 15 is a relative threshold of soil erosion modulus, but the influences of topographic height and slope aspect are slight

    結果表明：地形坡度是影響徑流和泥沙產生的重要因素，產生徑流和泥沙的模擬值隨地形坡度的增大而增大，地形坡度15是坡耕地土壤侵蝕模數的相對質變點；地形高程和坡向對產生徑流和泥沙的影響不大。
  12. In this thesis, with eight events of artificial water - washing test on five different slope gradients, factors affecting soil potassium loss by erosion, such as slope gradient, rain intensity, vegetation coverage, and amount of rainfall are discussed

    本文通過在5個不同坡度徑流小區進行的8次人工模擬沖刷試驗，探討了坡度、放水沖刷強度、植被和降雨量等因素對土壤鉀素徑流流失的影響。
  13. The results showed that : total area of soil and water loss decreased after 1987, but area of strong erosion grade increased and new man - made soil and water loss accelerated ; 9 of the total 11 regions in zhejiang showed the same changing tendency as the whole province

    結果表明： 1987年以後水土流失總體上有所好轉，水土流失總面積減少，但強度以上的流失面積有增加趨勢，新的人為水土流失未得到有效控制，且有加速趨勢。
  14. Water loss and soil erosion prediction and analysis of neimenggu expressway construction in pisha sandstone area

    內蒙古砒砂巖路段建設水土流失預測與分析
  15. Studies on water loss and soil erosion in construction period and preventive countermeasures in furongwei mountain, shenzhen

    深圳芙蓉尾山施工期水土流失及其防治措施研究
  16. ( 2 ) resource and environment are on the level from initial to basic development, the restrictive factors of resource and environm ent are water loss and soil erosion, the decrease of cultivated

    水土流失、耕地面積的減少等對資源環境保護的持續發展起主導作用；經濟可行性從初步可持續發展到基本可持續階段。
  17. Article 35 people ' s governments at all levels shall adopt measures to maintain and protect irrigation and drainage facilities, ameliorate the soil to raise fertility and prevent desertification, salinization, water loss and soil erosion and pollution

    第三十五條各級人民政府應當採取措施，維護排灌工程設施，改良土壤，提高地力，防止土地荒漠化、鹽漬化、水土流失和污染土地。
  18. Although it has rich resources, population radical increase, inappropriate development behavior and the behavior of damaging the arable land cause the radical reduction of forest and grass rate, large - scaled water loss and serious soil erosion and the sharp conflict between human and nature

    盡管這里蘊藏著豐富的資源，但長期以來由於人口膨脹和不合理的開發行為，特別是耕地的掠奪性經營，致使林草覆蓋率銳減，水土流失量大面廣，人口與資源、環境的矛盾十分突出。
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