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headwater area中文

發音:   用"headwater area"造句
  • 上游地區
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例句與用法

  1. A study of the geological environmental of suprapermafrost water in the headwater area of the yellow river
    黃河源區凍結層上水地質環境影響研究
  2. The paper introduces and amends the composite indexes of soil erosion intensity and regional soil erosion intensity and conducts quantitative analysis on spatial relationship of types of land use and soil erosion intensity of whole china territory , the middle and lower areas of liaohe river , headwater area of danjiangkou reservoir of south - north water transfer project of hubei part and 4 regions of huidong county in guangdong based on sum up of general study methods of spatial relationship of land use and soil erosion
    摘要在總結土地利用與土壤侵蝕空間關系一般研究方法的基礎上,引入并修正了土壤侵蝕強度綜合指數和區域土壤侵蝕強度綜合指數,時整個中國境內、遼河中下游地區、南水北調丹江口水庫水源區湖北部分和廣東省惠東縣4個區域土地利用類型與土壤侵蝕強度空間關系進行了定量比較分析。
  3. The first geologic reason for degeneration of the eco - environment in the headwater area of the yellow river is that the increase of the recent geologic function caused desertification and grasslands resource decreased and underside changed , destroied the balance of water - air - heat in the area ; the second is that the water environment changes by the degradation and atrophy of frozen earth cause multilayer and synthesis cause of formation degeneration of the eco - environment ; the third is that the man and rats function accelerated degeneration of the eco - environment in the headwater area of the yellow river
    摘要黃河源區生態環境惡化的地質原因之一是現代地質作用增強,形成以荒漠化為主的草地資源退化與下墊面改變,地區水氣熱平衡破壞;二是因凍土退化、萎縮,引起水環境變異,導致多層面與綜合成因的生態環境惡化;三是人為及鼠類活動對源區生態環境惡化起著推波助瀾的作用。

相關詞匯

  1. headward-migrating erosion中文
  2. headwarderosion中文
  3. headware中文
  4. headwater中文
  5. headwater amphitheater中文
  6. headwater basin中文
  7. headwater catfish中文
  8. headwater channel中文
  9. headwater control中文
  10. headwater depth中文
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