lower reaches of river 中文意思是什麼

lower reaches of river 解釋
河流下游
  • lower : adj 〈low 的比較級〉1 較低的。2 下級的，低級的。 lower animals 下等動物。3 南部的。 in lower Manh...
  • of : OF ＝Old French 古法語。
  • river : n 1 河，江。 Rriver Thames 或 the R Thames 泰晤士河； the Hudson R 〈美國〉哈得孫河。 the Rriver ...
  1. ( 4 ) enhancing the downriver cofferdam will make the lower reaches of a river dissipate more energy. however, it will increase erosion and the protection will be more difficult

    抬高下游圍堰可以使下游分擔更多的消能任務，減輕壩區的沖刷和消力池的消能負擔。
  2. 1 ) the analyse of mei - yu front structure there is stable mei - yu front along the middle and lower reaches of yangtze river during the mei - yu period in 1999. the temperature contrast in the low level of mei - yu front almost disappeared, which existed only in the upper level. so the mei - yu front is " footless " from the temperature field

    得到的基本結果如下： 1 ）梅雨鋒結構的分析1999年梅雨期間，在長江中下游維持著穩定的梅雨鋒，梅雨鋒在低層的溫度對比幾乎消失，只存在於對流層中上層，因此從溫度常看梅雨鋒是一種「無腳鋒」 ，在對流層中上層具有上寬下窄的梅雨鋒機構。
  3. 3 ) the initial and final date of the rainband in middle and lower reaches of yangtze river have the obvious characteristic in interannual change in summer

    3 ）初夏長江中下游雨帶的開始日、結束日都有明顯的年代際變化特徵。
  4. Some particular measures to be taken are as the followings : ( 1 ) to establish a uniform harmony mechanism in the river basin in order to have a general plan for wetland protection and utilization ; ( 2 ) to combine the existing protection districts according to lake drainage area and species distribution, and to construct new wetland protection region in order to solve problems in management districts ; ( 3 ) to develop wetland restoration and reconstruction ; ( 4 ) to carry out reforesting in formerly cultivated land and to construct shelter forest of the yangtze river in order to control soil erosion and to preserve the water resource ; ( 5 ) to protect and utilize reasonably the wetland resources in the middle and lower reaches of the yangtze river ; ( 6 ) to strengthen the research of wetland science

    具體可採取以下措施：在流域內建立統一協調機制，對流域濕地進行保護與合理利用，合理布局，統一規劃；按湖泊流域和物種分佈整合現有保護區，建立新的濕地保護區，解決目前管理上的制約問題；大力開展濕地修復重建；推進退耕還林、長江防護林等工程建設，發揮森林治理水土流失、涵養水源的作用；在保護的前提下科學合理地利用長江中下游濕地資源，開拓新的生產力；同時加強濕地科學研究。
  5. The ncep / ncar global reanalysis data about 55 yean ; ( 1948 - 2002 ), the observed data about 2 years ( 1999 - 2000 ), the meiyu data in the mid - lower reaches of the yangtze river and the precipitation data at 160 stations in china duing 1951 to 2000 are used in the paper. we present a preliminary study on the relationship between the precipitation total for meiyu and the summerly precipitation in the eastern side of the northwest china. then using nonhydrostatic version mm5 with one nested grid, the effect of the circulation patterns for meiyu on the summerly precipitation in the eastern side of the northwest china was simulated by numerical simulation of full physics

    本文採用1948 2002年ncep再分析資料、 1999 2000年的全球地面、高空觀測資料、 1951 2000年梅雨以及全國降水量資料，初步研究了長江中、下游地區梅雨事件與西北地區東部夏季降水的聯系，並用mm5中尺度非靜力模式模擬了多（少）梅雨環流型對西北東部夏季降水的影響；另外，還分析了梅雨與四川盆地、東南沿海地區夏季降水的聯系。
  6. Based on field data and former researches, influence of inflow of anabranches on middle and lower reaches of the hanjiang river was analyzed

    摘要在實測資料和前人研究的基礎上研究了支流入匯對漢江中下游水沙條件、河床演變以及河流功能維持的影響。
  7. Inflow of anabranches together with the erosion of riverbank and riverbed is important to the evolution and the sustainable function in middle - lower reaches of the hanjiang river

    支流入匯和河岸、河底侵蝕一起，是影響下遊河床演變、維持河道功能的重要因素。
  8. The species, heights, diameter breast heights, canopy widths and plant numbers in 38 quadrats of 6 belt transects, which were located in yingsu cross - section and kaerdayi cross - section lying in the lower reaches of tarim river where populus euphratica concentrated, were investigated to study the distribution patterns, aggregation intensities and distribution pattern scales of p. euphratica populations at different distances away from the river

    摘要在塔里木河下游胡楊分佈集中的英蘇、喀爾達依斷面，設置了6條樣帶38塊樣地進行植被種類、高度、胸徑、冠幅、株數等因子調查，研究了不同離河距離胡楊格局分佈類型、聚集強度及其格局規模。
  9. Risk analysis of dike breach in lower reaches of yellow river

    黃河下游懸河決口災害的風險分析與評價
  10. The ditches are the first pool of diffuse nutrients from rain runoff and field drainage, and are shaped to a net work in the area of the lower reaches of the changjiang river where the cultivation manner of fields are rotation of rice and wheat. now we have learnt little about the mechanisms of pollutants trasport and transformation in ditch wetlands

    長江下游水稻-小麥輪種區溝渠濕地呈網路狀密集分佈，是降雨徑流和農田排水的首要匯聚地，我們對污染物在溝渠濕地中遷移轉化的機理還知之甚少，本文分析了： 1
  11. According to the analysis of the beach distribution, landforms and structure of flood land, hydrologic geology and bad geological phenomena in the middle - lower reaches of yangtze river, this paper comprehensively studies the environmental geological conditions for harbour construction in the banks of yangtze river. discussed are the relation between inner material component and rock system beheath in the beach. presented are beachs structure and the category and the behaviour of groundwater, and offers a scientifis basis for harbor construction

    論述了長江中下游漫灘分佈特徵及其成因，分析了漫灘微地貌及其相關沉積物的地質特徵，從漫灘內部物質組成及其下覆巖系關系，全面地論述了漫灘的結構特徵，闡述了地下水的類型及動態，以及由此引起的不良地質現象，為長江中下游港口工程建設提供了地質依據
  12. The typical sightseeing of south of the lower reaches of the yangze river, “ visiting west lake with the boat floating on river and a boatwoman as companion ”, once was the spirit of west lake landscape culture

    「一葉扁舟浮行水面，一位船娘相伴遊湖」 ，這般獨具江南靈氣的風景曾是西湖山水文化的點睛之筆。
  13. The channel change of lower reaches of yellow river

    黃河下遊河道改道問題探討
  14. Changes of wetland landscape pattern in the middle and lower reaches of the tarim river

    洮兒河中下游流域濕地景觀演變及驅動力分析
  15. Soil properties and degree of desertification in lower reaches of tarim river

    確定了研究區淺溝和切溝侵蝕發生的地形臨界
  16. Engineering geological problems of foundation pits of floodgates in the lower reaches of yellow river

    黃河下游涵閘基坑的主要工程地質問題
  17. Analysis on relation between the sedimentation variation of the lower reaches of the weihe river and the tongguan altitude

    渭河下游沖淤變化與潼關高程的關系分析
  18. Wetland protection and basin management in the middle and lower reaches of the yangtze river

    長江中下游濕地保護與流域生態管理
  19. The ecological aggravation of oasis in minqin in the lower reaches of shiyang river and the suggestion of protection

    石羊河下遊民勤綠洲生態惡化及保護芻議
  20. Suburban district of jiamusi city is located at the middle and lower reaches of songhua river, sanjiang plain. it covers an area of 1, 874k ?. the ploughed land area is 76. 23 mu, the green food area is 18, 000 mu, amomg them, green rice 70, 000 mu, soybean 35, 000 mu, greenfruit and vegetable 75, 000 mu, it is one of the production areas of the vegetable baskets of jiamusi citizen

    佳木斯市郊區位於三江平原的松花江中下游，幅員1874平方公里，耕地面積76 . 23畝，綠色食品面積18萬畝，其中綠色水稻7萬畝，大豆3 . 5萬畝，綠色瓜菜7 . 5萬畝，是佳木斯市民的「菜籃子」的重要產地之一。
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