basin valley 中文意思是什麼

basin valley 解釋
河谷盆地
  • basin : n 1 臉盆;水盆。2 滿盆,(一)盆。3 盆地,流域。4 水坑,地塘;(港灣)深度;內灣,小灣;【造船】...
  • valley : n. 1. 谷,峪,河谷;凹處。2. 流域。3. 【建築】屋谷,屋面天溝。
  1. Based on the natural conditions, land use and production situation and implementation of the valley harnessing measures in the anjiagou river basin, dingxi county, gansu province, in this study the land use types, spatial distribution mode of land use structure, costs of farming, forestry and animal husbandry and their economic returns are analyzed, the qualitative and quantitative maximum economic returns of agriculture and animal husbandry are lucubrated, and an optimized design of land use structure is carried out by using the linear programming method and developing a mathematic model under the restriction of land area, labor forces, livestock forces, social requirements and forage supply

    摘要根據甘肅定西安家溝流域自然條件、土地利用狀況、治理措施和生產狀況,通過對土地利用的類型、結構空間分佈模式以及人財物資源的輸入和輸出分析,以種植業和畜牧業總體最大純經濟效益最高為目標,從定性到定量,通過建立數學模型,在土地面積、勞動力、畜力、社會需求和飼料需求的約束之下,應用線性規劃方法進行土地利用結構優化設計,求解最優目標解,得出優化方案。
  2. When i looked across the pond from this peak toward the sudbury meadows , which in time of flood i distinguished elevated perhaps by a mirage in their seething valley , like a coin in a basin , all the earth beyond the pond appeared like a thin crust insulated and floated even by this small sheet of interverting water , and i was reminded that this on which i dwelt was but dry land

    當我的目光從這一個山頂越過湖向薩德伯里草原望過去的時候,在發大水的季節里,我覺得草原升高了,大約是蒸騰的山谷中顯示出海市蜃樓的效果,它好像沉在水盆底下的一個天然鑄成的銅市,湖之外的大地都好像薄薄的表皮,成了孤島,給小小一片橫亙的水波浮載著,我才被提醒,我居住的地方只不過是乾燥的土地。
  3. Under the situation of gas supply demand contradiction growing day after day, by studying the features of gas supplying delivering loads of gas pipelines and the gas price in the sichuan basin, according to the gas transmission capacity of the pipelines limited by the given gas transmission facilities, it is suggested removing the peak to fill the valley and optimal distributing the loads, which can not only improve the efficiency of gas supplying / delivering facilities, and release a part of gas supply / demand contradiction, but also improve the benefit of gas marketing

    摘要在天然氣供求矛盾日益加劇的情況下,通過研究四川盆地天然氣管輸供氣負荷特徵與用戶用氣負荷特徵及氣價的關系,提出在一定輸氣設施所確定的管輸能力情況下,通過移峰填谷和擇優配置負荷,既可以提高天然氣管輸供、用氣設施效率,緩解一部分天然氣供求矛盾,又可提高天然氣銷售效益。
  4. So it had the long distance controlling effect on the sediment in the ordos. it is generally supposed that on the ramp of cratonic basin, the sequence of the epicontinental sea in the ordos is mainly composed of the transgressive system tract and the high stand system tract. this paper shows that it is possible that the incised valley of the low stand system tract can exist on the continental shelf in the basin

    鄂爾多斯地區上古生界具有克拉通盆地陸表海緩坡沉積的一般特徵,層序構成一般以海侵和高位體系域為主,本次研究認為在陸表海沉積背景下,除在大陸邊緣附近,在盆地內古大陸架上也可以發育低位體系域的下切河谷充填沉積。
  5. The result shows that the secular annual mean basin actual evapotranspiration is 378mm in the yellow river valley and the error can be controlled in 8 %

    結果顯示,黃河流域多年平均實際蒸散發為378mm ,估算誤差控制在8以內。
  6. It was substantiated that the complementary relationship of evapotranspiration on the yellow river valley exists by using ground observed data from weather stations, hydrological and solar radiation observer. actual evapotranspiration was reckoned by model and results were verified by explored the secular annual mean basin actual evapotranspiration which was calculated from water model

    本文利用黃河流域氣象、水文及日射站的水平面觀測資料,證實了流域尺度上存在蒸散互補相關關系,進而採用蒸散互補模型對流域年實際蒸散發量進行估算;用水量平衡法計算的流域多年平均實際蒸散發量對估算結果進行檢驗。
  7. Based - gis the risk assessment of debris flow in haizi valley basin of yunnan province

    的雲南省海子溝流域泥石流危險性評價
  8. Risk assessment of debris flow in dry valley region of minjiang river basin based on gis

    下的岷江乾旱河谷地區泥石流發生域危險性評價
  9. Being a typical arid inland river basin, heihe river valley, with scarce precipitation and strong evaporation, is a heavy arid region, where water resources per capita is only 1350m3 and per mu 510m3, only 60 % and 30 % of those of china

    黑河流域作為我國典型的乾旱內陸河流域,不僅降雨稀少,而且蒸發強烈,人均實際佔有水資源量僅為1350m ~ 3 ,畝均水量為510m ~ 3 ,分別為全國的60和30 ,接近缺水的下限,是嚴重乾旱缺水的區域。
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