sustainable yield 中文意思是什麼

sustainable yield 解釋
持久漁獲量
  • sustainable : adj. 可支撐的，可持續的。Sustainabilityn. （發展的）可持續性。
  • yield : vt 1 生出，產生（作物、報酬、利益等）。2 給與，讓與；讓渡；放棄（權利、地位等）；交出。3 承認。4 ...
  1. Soil is the base of agriculture production, the key measure to prevent water and soil loss is to conserve soil, but most soil nutrient is lost with the sediment loss, and serious water and soil loss make the soil thickness degrease, the soil nutrient be deficient and lean, the land quality degrade and the yield of plant decrease, all this results is going to threaten the people ' s transplanting and the agriculture sustainable development, and restrict the economy development of three gorges regions

    同時，土壤是農業生產的根本，治理水土流失的關鍵是要保住土壤，而土壤養分絕大部分是隨著泥沙流失的，嚴重的水土流失造成土層淺簿、養分貧瘠，土地質量退化，產量下降，對三峽庫區移民工作和農業可持續發展造成嚴重威脅，制約三峽庫區經濟發展。因此進行三峽庫區坡耕地土壤侵蝕機理研究，探索減輕坡耕地土壤流失的方法措施，具有全局性的重大意義。
  2. A study on sustainable high - yield of phyllostachys praecox by ground covering

    雷竹林覆蓋栽培持續高產的研究
  3. The study was primarily conducted to investigate the effects of various irrigation managements on the yield, quality and wue of alfalfa and the sustainable utilization of soil - water in north china plain. five treatments were applied : 0mm, 30mm, 50mm, 75mm and 100mm irrigating at the beginning of the second growth cycle in 2001

    本研究通過兩年的灌溉實驗，根據對降水情況、土壤水分的蒸發量、蒸散量與苜蓿各生物學指標的分析，初步探討了在華北平原地區不同灌溉處理對于苜蓿產量、品質、水分利用率以及苜蓿地土壤水資源利用可持續性的關系。
  4. To insure the sustainable development and harvest, we must control the fishing intensity at a certain level, and adopt logical strategy of fishing by doing this we can get the maximum sustaining yield, the marine fishery resources can not be utilized unduly and dry up

    為了保證海洋漁業資源的可持續利用，必須把捕撈強度控制在一定的水平上，採用合理的捕撈策略，我們才可以得到持續的最大產量，才能避免海洋漁業資源的過度利用、枯竭。
  5. The authors probed into the reason of ambivalence, pointed out the development relationships among them, and mainly brought forward seven measures : ensuring necessary plantations and studiously increasing yields of grains ; setting up reasonable grains reserves ; increasing the yield of unit area and overall productivity of land, and ensuring gross yields of grains to be increased steadily ; adjusting measures to local conditions, differentiating land varieties among the total land of gansu province to produce grains ; continuously adjusting structure of production, improving agricultural economy benefits, and increasing farmer incomes ; realizing essential self - support of gross grains, meanwhile dealing with well regional and structural scarcity gradually ; strengthening outcomes of ecological construction, increasing the intensity of ecological compensation, utilizing strategy of virtual water to solve grain safety to be fragile and sensitive regions of ecology, and realizing agricultural sustainable development

    文章分析問題的矛盾所在，指出三者的辨證發展關系，並主要提出七點措施：保證一定的播種面積，努力增加糧食產出；建立合理的糧食儲備規模；依靠科技，主攻單產，提高土地的綜合生產能力，保證糧食總量穩定增長；因地制宜、分類指導省內不同地區的糧食生產；繼續調整農業生產結構，提高農業的經濟效益，增加農民收入；實現省內糧食總量基本自給的同時，逐步解決好區域性、結構性短缺問題；鞏固生態建設成果，加大生態補償力度，利用虛擬水戰略解決生態脆弱區、生態敏感區等局部地區的糧食生產安全，實現農業可持續發展。
  6. Also, myr has pointed out the significance of studying the interactions between all the factors that go to making up a high and sustainable yield

    最高產量研究還指出了研究組成高產穩產的所有因子間的交互作用的重要性。
  7. 3 we choose unit time the maximum sustainable yield as the management objectie ; ?

    3以單位時間最大可持續捕獲量為管理目標； 3
  8. 2 we choose the maximum sustainable yield as the management objective ; we choose the maximum sustainable economic rent as the management objective in

    2以最大可持續捕獲量為管理目標； 2 3以最大凈利潤為管理目標； 2
  9. In [ 26 - 30 ], the optimal harvesting policies that maximized the sustainable yield for autonomous single - species harvesting models were studied

    文獻[ 26 - 30 ] ，討論了自治單種群捕獲模型，以最大可持續捕獲量為管理目標，得到了最優捕獲策略
  10. In [ 21 - 25 ], the optimal harvesting policies for autonomous single - species harvesting models were studied, which maximized the sustainable yield and economic rent respectively

    文獻[ 21 - 25 ] ，討論了自治單種群捕獲模型，分別以最大可持續捕獲量和最大凈利潤為管理目標，得到了最優捕獲策略
  11. The optimal harvesting policies that maximized the sustainable yield for nonautonomous single - species harvesting models, which had a unique globally asymptotically stable periodic solution, were obtained by fan meng [ 15 ] and li hailong [ 16 ]

    文獻[ 15 ] [ 16 ]討論了非自治單種群捕獲模型，在周期解存在唯一及全局漸近穩定前提下，為獲得最大可持續捕獲量，而得到最優捕獲策略
  12. ( 8 ) the most limited factor to the sustainable land use is the water resource, due to the increase of the crop yield and the crop sowing area, so it is important for sustainable land use to decreasing irrig

    門）士地利用變化及其效應的可持續評價表明，曲周縣存在的最主要的不可持續因素是耗水作物的大面積種植造成的水資源壓力，局部地下水硝態氮和重金屬含量超標，對區域的種植結構調整。
  13. F ) to retreat cultivation 1. 467 million ha for reforestation or recovering grass. g ) attheend, to adjust the proportion of cultivated land, forest, grassland from 7 : 6 : 1 to 1 : 1. 4 : 1. 2, this proportion is reasonable ratio for land use structure. for getting the above strategy targets, we must handle of the following relations : a ) the relation between development and environment protection ; b ) the relation between population and land resources ; c ) the relation between construction and farmland protection ; d ) the relation between quality and quantity of farmland ; e ) the relation between land using and economy development ; f ) the relation between land exploitation and landscape worth maintaining, etc. for getting the above strategy targets, we must also adopt some good measures : a ) to control the construction occupying farmland ; b ) to use land intensive ; c ) to improve low - yield farmland ; d ) to make regional land resources distribution effective ; e ) to make comprehensive profit ; f ) to make family planning continually ; g ) to promote urbanization, etc. by carrying out these measures, land resources in shanxi province can be used sustainable

    同時，論文對土地資源利用潛力和未來趨勢進行了科學推理，提出了山西土地資源永續利用的戰略目標：到2015年，全省耕地面積穩定在433 . 3萬公頃左右，基本農田面積保持在366 . 7萬公頃左右，保證糧食產量100億千克；各項建設用地控制在14 . 2萬公頃，其中佔用耕地在7 . 9萬公頃，土地開發、復墾、整理補充耕地10萬公頃，改造中低產田10萬公頃，治理水土流失面積1 . 13萬公頃，發展園林草地146 . 667萬公頃（含退耕還林還草99 . 2萬公頃、園地6 . 7萬公頃） ；經過長期努力，使林草地總面積達到865 . 6萬公頃，耕地、林地、草地比例由現在7 6 1逐步調節到1 1 . 4 1 . 2較合理的比例。
  14. In addition, the water resource is appraised on the issue that water yield science disposes, besides considering that the sand district produces the domestic water this time, consider sand district base on the premise that guarantee social economic development, must meet ecological environment demand ink request of sustainable development too

    另外，該次水資源評價在水量科學配置問題上，除考慮沙區生產生活用水外，還考慮了沙區在保證社會經濟發展的前提下，必須滿足生態環境可持續發展的需水要求。
  15. Controlling pests and plant diseases plays an important role on the safety of our agricultural production. pests and plant diseases reduced the yield and lowered the quality of crops, damaged the sustainable agriculture development

    農作物生物災害控制對農業生產安全有著重要影響，有害生物影響到農產品的產量和質量，影響到農業的可持續發展；外來檢疫性有害生物對農業生產安全構成重大隱患。
  16. Maximum sustainable yield of linear growth population with allee effects for mammals

    效應下的最大持續生產量
  17. The highest rate at which a potentially renewable resource can be used indefinetely without reducing its available supply is called its sustainable yield

    這個潛在的可再生資源能夠被無限使用而不會減少它的供給的限度叫做可持續產量。
  18. Main published work included length frequency analysis, virtual population analysis, production models, and maximum sustainable yield of qatari fishery

    主要研究成果包括體長分析，世代分析方法，產量模型和卡達國漁業的最大持續產量。
  19. As an important research field in agriculture, multi - functional fertilizer which combines nutrition and some other yield limiting factors, is according with the view point of sustainable development in china

    摘要從現代農業和生物學的角度，將營養物質與其他限製作物高產的因素相結合的多功能肥料，符合我國農業可持續發展的需要，是農業發展的重要領域。
  20. Lastly, use the model of optimum sustainable yield to realize the environmental protection of sustainable tourism in tourism vacation belt around city of jinan city

    第四，運用旅遊開發最佳可持續產量的經濟模型實現濟南市環城市旅遊度假帶可持續旅遊的環境保護。
分享友人
分享到 Line

分享到臉書