英语论文摘要分析.doc【Abstract],raisethewaterlevel,itcanalsolowtheflowofopenchannel.(Sostudyingvegetationinfluencetoflowresistaneeisofsignificantscienceandpracticemeaningsinwaterresourcessustainableutilization,riverecologyrehabilitationandriverimprovement・)丨丨的。(Inthispaper;basedonresistaneesegmentationtheoryofgeneralopenchannel,,,baseonanalyzeofreliabledata,itisfoundtheEinsteinlogarithmicresistaneeformulacanbeusedcalculatinginsidewallandbedflow,biningwithflowcontinuityequationandgeometricalrelationship,,basedontheexperimentofdifferentvegetationheightanddensity,,thewallshearstresswoulddecrease,,attheconstantdischargeandvegetationcharacter;alongwiththevegetationheightanddensityincreasing,thevegetationresistaneewould
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