有關.AD的精選知識
知識的精華會讓學習更簡單容易,熱門的.AD鑑賞列表是專門提供.AD的相關精彩內容的地方,這裡的.AD相關內容,小編都精心編輯,精選優質.AD的相關知識,分享一些.AD方面的精華知識。
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如圖所示,a、b、c、d是正方形的四個頂點,O是正方形對角線的交點.ad邊和bc邊中點處放有等量異種點電荷+Q...
問題詳情:如圖所示,a、b、c、d是正方形的四個頂點,O是正方形對角線的交點.ad邊和bc邊中點處放有等量異種點電荷+Q、Q,關於圖中各點電勢和電場強度的關係,下列說法正確的是( )A.a、O、c三點的電勢關係為B.a、b、c、d四個頂...
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設0<p<1,隨機變數ξ的分佈列是ξ012P則當p在(0,1)內增大時,( ).A.D(ξ)減...
問題詳情: 設0<p<1,隨機變數ξ的分佈列是ξ012P則當p在(0,1)內增大時,().A.D(ξ)減小 B.D(ξ)增大 C.D(ξ)先減小後增大 D.D(ξ)先增大後減小【回答】.D 知識點:統計題型:選擇題...
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如圖,ABCD-A1B1C1D1為正方體,下面結論錯誤的是( ).A.AD∥平面CB1D1 ...
問題詳情:如圖,ABCD-A1B1C1D1為正方體,下面結論錯誤的是( ).A.AD∥平面CB1D1 B.AC1⊥BD ...
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已知:如圖,梯形ABCD與梯形A′B′C′D′相似,AD∥BC,A′D′∥B′C′,∠A=∠A′.AD=4,A...
問題詳情:已知:如圖,梯形ABCD與梯形A′B′C′D′相似,AD∥BC,A′D′∥B′C′,∠A=∠A′.AD=4,A′D′=6,AB=6,B′C′=12.求:(1)梯形ABCD與梯形A′B′C′D′的相似比k;(2)A′B′和BC的長;(3)D′C′∶DC.【回答】(1)k=2∶3;(2)A'B'=9,BC=8;(3)3∶2.知...
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如圖,△ABC是一張銳角三角形的硬紙片.AD是邊BC上的高,BC=40cm,AD=30cm.從這張硬紙片剪下一...
問題詳情:如圖,△ABC是一張銳角三角形的硬紙片.AD是邊BC上的高,BC=40cm,AD=30cm.從這張硬紙片剪下一個長HG是寬HE的2倍的矩形EFGH.使它的一邊EF在BC上,頂點G,H分別在AC,AB上.AD與HG的交點為M.(1)求*:;(2)求這個矩形EFGH的周長.【回答】【...
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“ad nauseam”造句,怎麼用ad nauseam造句
Alright,solet'snowstartdoingmoreinterestingthingshellothanjustsayinghelloadnauseamtoourselves.Theprimeminister’sfavouritepronouncement,whichhelikestorepeatadnauseam,isthathisgovernmentwillnever“put...
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Ad-makerschoosewordsandbrandnamesverycarefullyinordert...
問題詳情: Ad-makerschoosewordsandbrandnamesverycarefullyinordertomakeacreativeimageoftheproducttheyare_________. A.processing B.producing C.providing ...
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“briefly ad”造句,怎麼用briefly ad造句
Amomentlatertheouterdooropened,brieflyadmittingsunlight,thenYvettewasgone.ThewindownarrativeoftheshallowlotusgreenupusesilkthreadtobrieflyadorntojoinDilotuspattern....
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“ad”造句,怎麼用ad造句
That'saninterestingad.aclassifiedad[advertisement]AnadvertisercancreateanAD.So,searchisonlyonepartoftheadmarket.Thoseadduptoaround25minutesofADtime.Anad-servingplatformthatanalyzesproduct-specificsho...
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AD
問題詳情:AD【回答】如圖8所示,光滑固定導軌M、N水平放置,兩根導體棒P、Q平行放於導軌上,形成一個閉合迴路,當一條形磁鐵從高處下落接近迴路時()A.P、Q將相互靠攏 B.P、Q將相互遠離C.磁鐵的加速度仍為g D.磁鐵...
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“personal ad”造句,怎麼用personal ad造句
haveanaxetogrind:havepersonaladvantagestogainPortraitphotographyisapersonaladvantagesofamplification.Usetheinsideinformationforpersonaladvantageorthepersonaladvantageofothers"Tip"otherswhomaybuyorse...
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“classified ad”造句,怎麼用classified ad造句
aclassifiedad[advertisement]Sitestodayoffermuchmorethanthetypicalprofilepictureanddescriptioninaclassifiedadlisting.Thesite'sclassifiedadsectionreadslikeabillionaire'syardsale:'Forsale--CaviarServe...
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四稜錐P—ABCD中,底面ABCD為直角梯形,BC//AD,AD⊥DC,BC=CD=l,AD=2,PA=PD,...
問題詳情:四稜錐P—ABCD中,底面ABCD為直角梯形,BC//AD,AD⊥DC,BC=CD=l,AD=2,PA=PD,E為PC的中點,F為AD的中點,平面PAD⊥底面ABCD.⑴*:平面BEF⊥平而PAD;⑵若PC與底面ABCD所成的角為,求二面角E—BF—A的餘弦值.【回答】知...
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“ad val”造句,怎麼用ad val造句
AdvaloremdutyoradvaloremtaxadvalorempropertytaxoilandgasproductionequipmentadvaloremtaxAcompoundtariffisacombinationofaspecificandanadvaloremtariff.Compounddutiesareacombinationofspecificandadvaloremd...
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如下圖,CD⊥AD,CB⊥AB,AB=AD,求*:CD=CB.
問題詳情:如下圖,CD⊥AD,CB⊥AB,AB=AD,求*:CD=CB.【回答】*:連結AC,CD⊥AD,CB⊥AB∴在Rt△ADC和Rt△ABC中∴Rt△ADC≌△Rt△ABC(HL)∴CD=CB.(本題也可用勾股定理直接*)知識點:三角形全等的判定題型:解答題...
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Ad.1SpecialhouseinGlebe(S160everymonth)Replyto:Alalinpo...
問題詳情:Ad.1SpecialhouseinGlebe(S160everymonth)Replyto:Dateavailable:December9LookingforagirlstudentroommatetoshareawellsituatedhouseinGlebefornotlessthanonemonth.2minutesfromthebusstopinaquietstreet,...
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.如圖,在△ABC中,AD是中線,求*:AD<(AB+AC).
問題詳情:.如圖,在△ABC中,AD是中線,求*:AD<(AB+AC).【回答】*:延長AD到點E,使DE=AD,連線BE,∴AE=2AD.∵AD是中線,∴BD=CD.在△ACD和△EBD中,∴△ADC≌△EDB(SAS),∴AC=BE.在△ABE中,∵AE<AB+BE,∴2AD<AB+AC,∴AD<(AB+...
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如圖,AC⊥BC,AD⊥BD,AD=BC,AD,BC交於O.求*:OC=OD.
問題詳情:如圖,AC⊥BC,AD⊥BD,AD=BC,AD,BC交於O.求*:OC=OD.【回答】知識點:三角形全等的判定題型:解答題...
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“AD 2000”造句,怎麼用AD 2000造句
Forexample,theyearAD2000isequaltotheyear2543BE.DevelopAutoCAD2000withVB;ShowingFEMStresswithAutoCAD2000VBA...
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“officially ad”造句,怎麼用officially ad造句
PresidentTheodoreRooseveltofficiallyadoptedthetermin1902.aunitofmeasurementofcapacityforliquidsofficiallyadoptedintheUnitedStatesCustomarySystem.November2,1868,timezone:NewZealandofficiallyadoptsastan...
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如圖,AB=AC=AD,若AD∥BC,∠C=78°,∠D= .
問題詳情:如圖,AB=AC=AD,若AD∥BC,∠C=78°,∠D= .【回答】39°.【解答】解:∵AB=AC=AD,∴∠C=∠ABC,∠D=∠ABD,∴∠ABC=∠CBD+∠D,∵AD∥BC,∴∠CBD=∠D,∴∠ABC=∠D+∠D=2∠D,又∵∠C=∠ABC,∴∠C=2∠D.∵∠C=78°,∴∠D=39°,知識...
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如圖,已知AB∥DC,AD∥BC.*:(1)AB=CD;(2)AD=BC.
問題詳情:如圖,已知AB∥DC,AD∥BC.*:(1)AB=CD;(2)AD=BC.【回答】.略知識點:三角形全等的判定題型:解答題...
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Asicklittlegirlisbeingkeptalivethankstoherbestfriend—ad...
問題詳情:Asicklittlegirlisbeingkeptalivethankstoherbestfriend—adogwhocarriesheroxygentankonhisback.Alida’sfaithfuldogcompanionMrGibbshasbeenspeciallytrainedtoshepherdthethree-year-old,whobreathesthro...
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“local ad”造句,怎麼用local ad造句
Herlocaladmirersbeatapathtoherdoor.Bylaunchinglocal-languagewebsites,teamscantailormarketingtofitanindividualcountry,drumminguplocaladvertisingandsponsorshiprevenue.Wemustdevelopindustrieswithlocaladv...
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如圖,AD⊥AE,AB⊥AC,AD=AE,AB=AC.求*:△ABD≌△ACE. ...
問題詳情:如圖,AD⊥AE,AB⊥AC,AD=AE,AB=AC.求*:△ABD≌△ACE. 【回答】*:∵AD⊥AE,AB⊥AC,∴∠CAB=∠DAE=90°.∴∠CAB+∠CAD=∠DAE+∠...