【问题情境】如图1，四边形ABCD是正方形，M是BC边上的一点，E是CD边的中点，AE平分∠DAM．【探究展示...
问题详情：【问题情境】如图1，四边形ABCD是正方形，M是BC边上的一点，E是CD边的中点，AE平分∠DAM．【探究展示】（1）*：AM=AD+MC；（2）AM=DE+BM是否成立？若成立，请给出*；若不成立，请说明理由．【拓展延伸】（3）若四边形ABCD是长与宽不相等的矩形，其...
用“reservoir dam”造句大全，reservoir dam造句
TheconcreteimpermeablepanelconstructiontechnologyofSilingreservoirdamThisarticletaketheGuojiacunreservoirdamasanexample,introducedtheapplicationofchargemethodandhighdensityelectricaltechniqueinprospec...
用“secondary dam”造句大全，secondary dam造句
Cetianreservoirisoneoftheseriouslydangerousreservoirsinourcountrybecauseofsevereseepageandpipinginthefoundationofsouthsecondarydam.Insomecases,secondarydamageinthevascularsystemoroppositekidneymayacco...
用“landslide dam”造句大全，landslide dam造句
Theshortdrivewastheperfectplacetoshowhimwhatwesuspectareoldlakedepositscausedbyalandslidedam.AlandslidedamlocatedintheHuangheupriverwasformedbytwolandslides,thenformedthebarrierlakewhichiscoreareaofna...
用“auxiliary dam”造句大全，auxiliary dam造句
InJiangsuShahePumped-storagePowerPlant,bothmaindamandauxiliarydamofupperreservoirarerockfilldamwithconcreteslab.Analysisonmonitoringdataofcut-offwallofauxiliarydamatHuangbizhuangreservoirThemonitoring...
用“diversion dam”造句大全，diversion dam造句
1、adamacrossariver(orrivulet);abarrage;adiversiondam;aweir2、diversiondam:ABarrieracrossastreamBuilttoturnallorsomeofthewaterintoadiversion.3、Netcagestoneisalsousedtospillwaydamanddiversiondam,flood...
用“cellular dam”造句大全，cellular dam造句
Thenewtests,however,aremoresensitiveandcandetectcellulardamagewithinhours.Hedescribesagingasthelifelongaccumulationofvarioustypesofmolecularandcellulardamagethroughoutthebody....
用“hydroelectric dam”造句大全，hydroelectric dam造句
Thisballettoldthestoryofthetriumphantbuildingofahydroelectricdam.Eveningswerespentatthetheatre.Thisballettoldthestoryofthetriumphantbuildingofahydroelectricdam.Theruinsofanancientvillagesubmergedbythe...
如图7，正方形ABCD的边长为a，点E在边AB上运动（不与点A，B重合），∠DAM=45°，点F在*线AM上，...
问题详情：如图7，正方形ABCD的边长为a，点E在边AB上运动（不与点A，B重合），∠DAM=45°，点F在*线AM上，且，CF与AD相交于点G，连接EC，EF，EG，则下列结论：①∠ECF=45° ②的周长为③④的面积的最大值其中正确的结论是__...
用“Johnny Dam”造句大全，Johnny Dam造句
1、Whathe'sdoingisamazing,YankeescenterfielderJohnnyDamonsaid.2、Afterfallingshortofwinningitallinthe2001season,thea'slosekeystartersJohnnyDamon,JasonGiambiandJasonIsringhausentofreeagency....
如图，已知正方形ABCD，点M是边BA延长线上的动点（不与点A重合），且AM＜AB，△CBE由△DAM平移得到...
问题详情：如图，已知正方形ABCD，点M是边BA延长线上的动点（不与点A重合），且AM＜AB，△CBE由△DAM平移得到．若过点E作EH⊥AC，H为垂足，则有以下结论：①点M位置变化，使得∠DHC=60°时，2BE=DM；②无论点M运动到何处，都有DM=HM；③无论点M运动到何...
用“dam deformation”造句大全，dam deformation造句
TheapplicationoffuzzyextensionmodelindamdeformationevaluationThereby,damdeformationandinnerwaterpressureofthepenstockaremainfactorstocauseaxialtensilestressandcircumferentialtensilestressrespectively....
用“buttress dam”造句大全，buttress dam造句
Themassive-headbuttressdamhassomeattractivefeaturesforcertainlocations.Multi-archdamisoneoflightbuttressdamsanditscappingplateshowsarch....
用“earthen dam”造句大全，earthen dam造句
Theybuiltupanearthendamintime.ThelargestearthendamintheU.S.,itwasconstructedonanactivefaultlineinthe1950sandfilledin1968....
用“dam”造句大全，dam造句
Thefloodweakenedthedam.Thedamis50metresinheight.Thepurposeofadamistwofold.Thisnotwithstanding,thedamisstillthehighestconcretearchdamintheworld.Thedamcanwithholdthepressureofthewater.Itwouldbepermanent...
用“coffer dam”造句大全，coffer dam造句
Theswell'sdataobservedintheactualcofferdamdemolitionblastinghavealsoconfirmedtheaccuracyofmodelexperimentachievement.Thestressstateandseepageofanti-seepagewallsunderlongitudinalRCCcofferdamofLinkuhyd...
如图,∠BAC=∠DAM,AB=AN,AD=AM,求*:∠B=∠ANM.
问题详情：如图,∠BAC=∠DAM,AB=AN,AD=AM,求*:∠B=∠ANM.【回答】解:∵∠BAC=∠DAM,∠BAC=∠BAD+∠DAC,∠DAM=∠DAC+∠NAM,∴∠BAD=∠NAM.在△BAD和△NAM中,∴△BAD≌△NAM(SAS),∴∠B=∠ANM.知识点：三角形全等的判定题...
用“dam up”造句大全，dam up造句
It'shardtodamupone'sfeelings.Theyaregoingtodamuptherivertosetupahydropowerstation.Afterwardssomeofusgocanoeingouttothebeavers'damupthecreekwhilethebigguysstickaroundthecamptofish....
用“dam base”造句大全，dam base造句
ThehorizontalconstructionjointtreatmentofErtanArchdamconcrete,concreteplacementofdambaseandconnectionefficiencyexaminationbetweenconcretejointsandconcretewithdambase.Theassessmentcontentsincludedambas...
用“rock fill dam”造句大全，rock fill dam造句
1、Analysisonconstructionmonitoringofgravel-soilcoreofrockfilldamofPubugouHydropowerStation2、Applicationofrib-strippedrollingstraightthreadconnectiontechnologyinface-slabrockfilldam3、Protectiveexper...
用“multipurpose dam”造句大全，multipurpose dam造句
SafetymanagementforexcavationofundergroundchambersandtunnelsofBaisemultipurposedamprojectForthelocalspringphenomenonoccurredinRCCofBaisemultipurposedamproject,theauthormakesanelementaryanalysisontheca...
已知：如图，∠BAC＝∠DAM，AB＝AN，AD＝AM，求*：∠B＝∠ANM．
问题详情：已知：如图，∠BAC＝∠DAM，AB＝AN，AD＝AM，求*：∠B＝∠ANM．【回答】由∠BAC＝∠DAM可得出∠BAD＝∠NAM，结合AB＝AN、AD＝AM即可*出△BAD≌△NAM（SAS），再根据全等三角形的*质可得出∠B＝∠ANM．*：∵∠BAC＝∠DAM，∠BAC＝∠BAD+∠DAC，∠DAM＝∠DAC+∠NAM，∴...