大工秋《工程水文学》在线作业 答案

《大工秋《工程水文学》在线作业 答案》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、大工11秋《工程水文学》在线作业2答案Greatworks,11autumn,engineeringhydrology,onlinehomework,2Totalscore:100testtime:-testscores:100RadioexaminationAmultiple-choicequestionJudgmentquestionRadioexaminationquestions(5questions,30points)Score:301.theprobabilityofaninevitableeventisequalto().A.1B.0.5C.0D.between0and1Thec

2、orrectanswer:AFullScore:6points:62.reasonsofchannelfloodwavedeformation(is).A.plusdropB.intervalrunoffC.networkregulationandcrosssectionscourandfillD.ormorefactorshaveanimpactThecorrectanswer:DFullScore:6points:63.,inordertotakeintoaccounttheinfluenceofantecedentrainfall,runoffisoftenusedinrunofffor

3、ecasting.A.runoffmodulusindexB.runoffmodelratioindexC.rainfallindexD.soilwatercontentindexThecorrectanswer:DFullScore:6points:64.thestatisticalparameterofthesamplethatreflectstheconcentrationordispersionofvariablesintheseriesis().A.meanB.meansquaredeviationC.coefficientofvariationD.skewnesscoefficie

4、ntThecorrectanswer:BFullScore:6points:65.runoffisformedbyprecipitation,sotherelationbetweenannualrunoffandannualprecipitation.A.mustbecloseB.mustnotbecloseC.iscloseinwetareasD.iscloseinAridAreasThecorrectanswer:CFullScore:6points:6Greatworks,11autumn,engineeringhydrology,onlinehomework,2Totalscore:1

5、00testtime:-testscores:100RadioexaminationAmultiple-choicequestionJudgmentquestion,(atotalof5multiple-choicequestions,atotalof30points.)Score:301.,therearemanymethodstoestimatethepopulationparametersfromsamples,andtheparameterestimationmethodsusedinengineeringhydrologycalculationare().A.linemethodB.

6、momentmethodC.weightfunctionmethodD.probabilityweightedmomentmethodThecorrectanswer:ABCDFullScore:6points:62.thedesignrepresentativeyear'sselectionprincipleis().A.flowcloseprincipleB.adverseengineeringprinciplesC.accordingtotheabundanceyearD.selectsaccordingtodifferenttasksThecorrectanswer:ABCDFullS

7、core:6points:63.inprobabilitytheory,theresultofarandomtestiscalledanevent.Eventscanbedividedinto().A.inevitableeventB.randomeventC.impossibleeventD.accidentThecorrectanswer:ABCFullScore:6points:64.whe