canal cross section 中文意思是什麼

canal cross section 解釋
渠道斷面
  • canal : n. 1. 運河；溝渠，水道。2. 【建築】溝；【解剖學】管，道。3. 【天文學】火星表面的運河狀細長溝紋。vt. （-l（l）-）, 在…開運河；在…開溝，疏導。
  • cross : n 1 十字架；〈the C 〉 耶穌受刑的十字架。2 〈the C 〉 基督教（教義，國家）。3 不幸，苦難；挫折，...
  • section : n 1 （外科、解剖的）切斷；切割；切開。2 【外科】切片，【金相】磨石。3 （果子的）瓣。4 【數學】截...
  1. ( 5 ) the maximum water level risen by the enclose tideland cultivation around the reservoir is 0. 66m, the responding quality is 2000mvs, which heavily effect the environment around the reservoir. the reservoir " s water level is risen because cross section and flood canal become narrow, which caused by building dam, this makes groundwater unsmooth, drainage, even flow from a lower to a higher space and soil salinized

    66m ，且為2000m 』兒的常年洪水，對庫區周邊環境的影響較大，因打壩築堤縮小過水斷面和行洪通道造成水庫水位進一步抬升，致使庫區周邊灌區地下水排水不暢，乃至倒灌，型成士地鹽堿化。
  2. Since 1950s, changjiang water resources commission as well as other scientific research units have carried out engineering geological reconnaissance for large - scale cross structures and the whole route, meantime, researched special subjects, such as special soils ( expansive soil, loess ), the canal section in coal mining area, regional structure stability, sandy soil liquefaction etc

    自20世紀50年代迄今，長江水利委員會及其它科研設計單位對中線工程全線及大型交叉建築物進行了工程地質勘察，同時對特殊類土（膨脹土、黃土） 、渠線過煤礦區、區域構造穩定性、砂土液化等專題進行了研究。
  3. For humans, this tight squeeze is complicated by the birth canal ' s not being a constant shape in cross section

    人類產婦不只面臨這個緊密契合帶來的問題，產道的形狀更使問題雪上加霜。
  4. By means of prototype observation, analysis with materials and theories, and laboratory test, the author deeply analyzed the causes and procedure of canal cross section erosion, and obtained eight causes which resulted the canal deform including flow, seepage, runoff, collapse of bank, dry effect, human activity, wave flush, frozen, and then stressed to discuss the frozen process

    本文通過原型觀測、資料分析、理論分析、室內試驗對北引渠道變形的成因和發生機理進行了較為深入的分析研究，給出了造成北引渠道變形的八大原因：流水引起的變形、滲透引起的沖刷、地表徑流引起的沖刷、滑坡變形、乾燥作用、人類和動物活動的影響、風浪引起的沖刷、凍融侵蝕，並著重闡述了凍融侵蝕的機理。
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