backwater area 中文意思是什麼

backwater area 解釋
回水區
  • backwater : n （被阻退回的）回水，迴流；逆流；循環水，再用水；死水，滯水；〈比喻〉停滯；文化落後的地方（live ...
  • area : n. 1. 面積；平地；地面。2. 空地；〈英國〉地下室前的空地。3. 地區，地方；〈比喻〉區域；范圍。
  1. Far from an austere backwater, the intergalactic medium ( igm ) is turning out to be the central staging area for cosmic evolution

    星系際介質（ igm ）完全不是死水一潭，它正躍居宇宙演化的中心舞臺。
  2. Improvement of navigation in fluctuating backwater area during construction of three gorges project

    三峽工程施工期變動回水區航道整治
  3. In regulation works of mountainous channel, determination of designed lowest navigable water level of reach with fluctuating backwater area is a common problem

    摘要變動回水區河段設計最低通航水位確定是目前山區航道整治工程中經常遇到的問題。
  4. The value of correction coefficient of kinetic energy increases as a result. the water surface profiles of flume experiments are computed by three different methods : adjusting the local head loss coefficient, deduction of backwater area, and application of backwater expression

    隨后結合實測水位資料，通過採用調整局部水頭損失系數、扣除回水面積以及壅水公式等不同的水面曲線計算方法對實驗水槽一維水面曲線進行計算。
  5. Taking the reach with fluctuating backwater area in jiaokou hydroplant in xiujiang river, guanxi zhuang autonomous region for instance, this paper analyzes the water - sediment characteristics of the fluctuating backwater area, calculates the design level of this reach with samples of level and discharge, etc., and propounds the determination method for the designed lowest navigable level of reach with fluctuating backwater area

    以廣西繡江交口電站的變動回水區河段為例，分析了變動回水區的水沙特性，分別利用水位、流量樣本及不同方法計算與分析本河段的設計水位，提出了變動回水區河段設計最低通航水位的確定方法。
  6. The experiment data shows that the region with large surface gradients in longitudinal and horizontal direction locates at the vicinity of spur dike. backwater appear upstream the spur dike, and there exist a recirculation area at the same side downstream the spur dike

    實測水位資料表明水流縱橫向比降大的區域位於丁壩上下游附近，在丁壩的上游出現壅水，下游存在有收縮區和恢復區，離丁壩越遠縱橫向水位的變幅越小。
  7. Through analyzing the condition of the canal, we build corresponding mathematical model and make hydraulic numerical simulation and researches based on hydraulic anti - analysis principle. we verify the causes of serious backwater of the canal, and put forward the rectifying and reforming measures according to the reality of the irrigated area

    通過對渠道現狀的具體分析，利用水力學問題的反分析原理，建立相應的數學模型，進行水力數值模擬和分析研究，力求探明渠道嚴重壅水的原因，並根據灌區實際情況提出了整改措施。
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