当前位置:考试网  > 试卷库  > 技能鉴定  > 科技类  > 无人机资格证  > 口试  >  “ 15c”代表的意义
试题预览

“ 15c”代表的意义

查看答案
收藏
纠错
正确答案:

15c的意思是,电池的最大放电倍数为15倍,训练机电池最大的放电电流是12000*15mah=180000mah(180A)

答案解析:

暂无解析

你可能感兴趣的试题

训练机所用螺旋桨的型号,代表的意义

四轴在天上有几个自由度

训练机所用电池的型号,代表的意义

挥舞运动和摆振运动的定义

升力公式中的符号分别代表什么意思

热门试题 更多>
PartIReadingComprehension Directions:Inthisparttherearefourpassages.Eachpassageisfollowedbyfourcomprehensionquestions.Readthepassageandanswerthequestions.ThenmarkyouranswerontheAnswerSheet. Passage1 Questions1to5arebasedonthefollowingpassage: Someyearsagothecaptainofashipwasveryinterestedinmedicine.Healwaystookmedicinebookstoseaandlikedtotalkaboutdifferentdiseases. Onedayalazysailoronhisshippretendedtobeill.Helayonhisbunk(铺)andgroanedasifhewereverysick.Thecaptaincametoseehimandwasverypleasedtohaveapatienttolookafter.Hetoldthemantorestforafewdaysandmadetheothersailorsdohiswork.Threedayslateranothersailorpretendedthathehadsomethingwrongwithhischest.Oncemorethecaptainlookedinhismedicalbooksandtold“sick”mantohavearest. Theothersailorswereveryangrybecausetheyhadmoreworktodo.Thepatientshadthebestfoodandlaughedattheirfriendswhenthecaptainwasnotlooking.Atlastthemate(船长副手)decidedtocurethe“sick”men.Hemixedupsomesoap,soot(烟灰),glue(胶水)andotherunpleasantthings.Thenheobtainedpermissionfromthecaptaintogivehismedicinetothe“sick”men.Whentheytastedthemedicine,theyreallydidfeelill.Itwassohorriblethatoneofthepatientsjumpedoutofhibunk,ranupondeskandclimbedthehighestmastontheship.Hedidnotwantanymoremedicine. Thematetoldbothofthementhattheymusttakethemedicineeveryhalfanhour,nightandday.Thissooncuredthem.Theybothsaidtheyfeltbetterandwantedtostartwordagain.Thecaptainrealizedthatthementriedtodeceivehimsohemadethemworkveryhardfortherestofthevoyage. 1.Thefirstsailorpretendedtobeillbecausehewantedto. A.testthecaptain’sknowledgeofmedicineB.befreefromwork C.havethebestfoodontheshipD.playajokeonhisfriends 2.Whenthecaptainknewasailorwasill,he. A.didn’tcaremuchB.sentforadoctor C.lookedafterhimandtoldhimtohavearestD.gavehimsomemedicine 3.Thepatientsfeltbetterquicklybecause. A.theyhadbeengivenpropermedicine B.theylearnedthatthecaptainhadfoundoutthetruth C.theywerelaughedatbytheirfriends D.themedicinethemategavewashorrible 4.Whenthecaptainknewhehadbeendeceived,he. A.toldthemnottodosoagainB.losthistemper C.madethemworkharderD.firedthem 5.Whichofthefollowingbestsummarizesthepassage? A.AsuddenCure.B.TwoPatients.C.CaptainandSailors.D.ADifficultVoyage.
试题分类: 大学英语六级
练习次数:0次
PartIIVocabularyandStructure Directions:Inthisparttherearefortyincompletesentences.Eachsentenceisfollowedbyfourchoices.ChoosetheonethatbestcompletesthesentenceandthenmarkyouranswerontheAnswerSheet. 21.Agreatmanycancerscanbecuredbutonlyifbeforetheyhavebeguntospreadorcolonizeinotherpartsofthebody. A.properlytreat B.properlytreating C.beingproperlytreated D.properlytreated 22.sheisalikeablegirl,sheisverydifficulttoworkwith. A.SinceB.HoweverC.AsfarasD.While 23.Allthetouristsgavetherobbertheirmoney. A.frightenedB.frighteningC.frightenD.frightful 24.herage,shereallydidagoodjobinsuchashorttime. A.GivingB.GivesC.GiveD.Given 25.Thesoldierwaswithneglectinghisduty. A.chargedB.conductedC.chargedD.committed 26.Thereasonwhythecarstoppedwas. A.becausetheroadwasnotgoodB.thattheroadwasnotgood C.duetothebadroadD.becauseofthebadroad 27.You’dbetterhurry,youmightbelateforclass. A.orB.andC.unlessD.but 28.,heperformedthetaskwithsuccess. A.ItwasexpectedB.Whichwasexpected C.AswasexpectedD.Thatwasexpected 29.ThedoctorfeltJohn’sarmtoifthebonewasbroken. A.workoutB.findoutC.lookatD.seeout 30.Hejustmysuggestionatthemeetingyesterday. A.putawayB.shutdownC.showedoffD.brushedaside 31.Thequestionatthenextmeetingremainasecret. A.discussedB.todiscussC.tobediscussedD.beingdiscussed 32.Hislazinesshisfailureinthefinalexam. A.gaveupB.contributedC.resultedinD.distributed 33.Theteacher’stomystatementaboutthispoetledmetoreadwidelyaboutpoems. A.changeB.chargeC.challengeD.chance 34.Onmostofthenights,Janereadinglettersfromherboyfriend. A.stayedoffB.stayedonC.stayedoutD.stayedup 35.Thefirst-yearstudentswerelearningformthearmyinMiyun,asuburbofBeijingnearIlived. A.whatB.whereC.thatD.which 36.Lyndaandhundredsofyoungpeoplelikehimthepostoftypist. A.approachedB.appliedforC.appealedtoD.approvedof 37.Anybodyisentitledtosuchbenefitofageorsex. A.regardlessB.whetherC.inspiteD.incase 38.Inthisbuildingeachapartmentcouldafamilyofsix. A.houseB.coverC.makeD.include 39.Itriedtogetoutofthebusiness,Ifoundimpossible. A.whoB.whichC.thatD.what 40.Whenheexplaineditagainandagain,thestudent’spatience. A.ranoverB.ranonC.ranoutD.ranoff 41.WhenherneighborGrandmaWangbecameill,thegirloften. A.fittedinB.workedoutC.heldbackD.helpedout 42.Ifyoureallywanttoapplyforthedangerousjob,Iwon’t,thoughtIthinkit’sacrazyidea. A.stoodinyourwayB.standontheway C.standinyourwayD.standbytheway 43.Hewastryingtoread;,thephonekeptringing. A.meanwhileB.thenC.laterD.afterwards 44.Iamoutofthosepeoplewholikeastrenuous(费力的)holiday;Ibelievein. A.tookiteasyB.takeniteasy C.takingiteasyD.takingiteasily 45.Thepolicematchedthefingerprintsandfoundtheywere. A.equivalentB.identicalC.similarD.equal 46.Formally,intheUnitedStates,manynursesworkedasprivatedutynursesinhospitals. A.otherthanB.morethanC.lessthanD.ratherthan 47.Ifyoudon’tmind.Idomyhomeworkthanplaycardswithyou. A.hadbetterB.preferC.wouldratherD.wouldlike 48.Theirideawastogetustothestrikeatonce. A.callatB.calloffC.callinD.callfor 49.MycarsoIhadtocomebybus. A.felldownB.brokedownC.felloverD.turnedaway 50.Icouldtellhewassurprisedfromtheonhisface. A.appearanceB.sightC.expressionD.explanation 51.Whichis,NorthAmericaorSouthAmerica? A.biggestB.thebiggestC.morebiggestD.bigger 52.Youshouldobservecarefullyhowtheaudiencehisspeech. A.reachtoB.refertoC.reacttoD.relateto 53.Thesefarmersgotagoodharvestlastyear,sotheyabigsumofmoneyfornewfarmmachines. A.setasideB.setaboutC.setupD.setback 54.Oneofmysayingsis“wherethereisawill,thereisaway.” A.likelyB.favorableC.alikeD.favorite 55.Allisacontinuoussupplyoffueloil. A.whatisneededB.thatisneeded C.thethingisneededD.fortheirneeds 56.Thehighincometaxisharmfulitmaydiscouragepeoplefromtryingtoearnmore. A.inthatB.thatC.inwhichD.which 57.Anewtechniqueout,theyieldincreasesby20%. A.havingworkingB.havingbeenworked C.atalossD.forgood 58.Thebirdflewintotheairandwassoon. A.outofsightB.inahurryC.atalossD.forgood 59.ItisdecidedthatheforabustomeettheguestsfromBeijing. A.callB.callsC.arrangeD.arranges 60.Iknowit’snotimportantbutIcan’thelpaboutit. A.tothinkB.thinkingC.andthinkD.beingthought
试题分类: 大学英语六级
练习次数:0次
试题分类: 国家电网招聘考试
练习次数:0次
试题分类: 国家电网安规考试
练习次数:0次
试题分类: 国家电网招聘考试
练习次数:0次
Whichissafer-stayingathome,travelingtoworkonpublictransport,orworkingintheoffice?Surprisingly,eachofthesecarriesthesamerisk,whichisverylow.However,whataboutflyingcomparedtoworkinginthechemicalindustry?Unfortunately,theformeris65timesriskierthanthelatter!Infact,theaccidentrateofworkersinthechemicalindustryislessthanthatofalmostanyofhumanactivity,andalmostassafeasstayingathome. Thetroublewiththechemicalindustryisthatwhenthingsgowrongtheyoftencausedeathtothoselivingnearby.Itisthiswhichmakeschemicalaccidentssonewsworthy.Fortunately,theyareextremelyrare.ThemostfamousoneshappenedatTexasCity(1947),Flixborough(1974),Seveso(1976),Pemex(1984)andBhopal(1984)。 Someofthesearealwaysinthemindsofthepeopleeventhoughthelossoflifewassmall.NoonediedatSeveso,andonly28workersatFlixborough.TheworstaccidentofallwasBhopal,whereupto3,000werekilled.TheTexasCityexplosionoffertilizerkilled552.ThePemexfireatastorageplantfornaturalgasinthesuburbsofMexicoCitytook542lives,justamonthbeforetheunfortunateeventatBhopal. Someexpertshavediscussedtheseaccidentsandusedeachaccidenttoillustrateaparticulardanger.ThustheTexasCityexplosionwascausedbytonsofammoniumnitrate(硝酸铵),whichissafeunlessstoredingreatquantity.TheFlixboroughfireballwasthefaultofmanagement,whichtookriskstokeepproductiongoingduringessentialrepairs.TheSevesoaccidentshowswhathappensifthelocalauthoritieslackknowledgeofthedangerontheirdoorstep.Whenthepoisonousgasdriftedoverthetown,localleaderswereincapableoftakingeffectiveaction.ThePemexfirewasmadeworsebyanoverloadedsiteinanovercrowdedsuburb.Thefiresetoffachainreactionosexplodingstoragetanks.Yet,byamiracle,thetwolargesttanksdidnotexplode.Hadthesecaughtfire,then3,000strongrescueteamandfirefighterswouldallhavedied. 1.Chemicalaccidentsareusuallyimportantenoughtobereportedasnewsbecause____. A.theyareveryrare B.theyoftencauselossoflife C.theyalwaysoccurinbigcities D.theyarousetheinterestofallthereaders 2.Whichofthefollowingstatementsistrue? A.Workingattheofficeissaferthanstayingathome. B.Traverllingtoworkonpublictransportissaferthanworkingattheoffice. C.Stayingathomeissaferthanworkinginthechemicalindustry. D.Workinginthechemicalindustryissaferthantravelingbyair. 3.Accordingtopassage,thechemicalaccidentthatcausedbythefaultofmanagementhappenedat____. A.TexascityB.FlixboroughC.SevesoD.MexicoCity 4.Fromthediscussionamongsomeexpertswemaycocludethat____. A.toavoidanyaccidentsweshouldnotrepairthefacilitiesinchemicalindustry B.thelocalauthoritiesshouldnotbeconcernedwiththeproductionofthechemicalindustry C.alltheseaccidentscouldhavebeenavoidedorcontrolledifeffectivemeasurehadbeentaken D.naturalgasstoredinverylargetanksisalwayssafe 5.Fromthepassageweknowthatammoniumnitrateisakindof____. A.naturalgas,whichcaneasilycatchfire B.fertilizer,whichcan'tbestoredinagreatquantity C.poisonoussubstance,whichcan'tbeusedinovercrowdedareas D.fuel,whichisstoredinlargetanks
试题分类: 大学英语六级
练习次数:0次
PartIIICloze Directions:Therearetwentyblanksinthefollowingpassage.Foreachblanktherearefourchoices.ChoosetheonethatbestfitsintothepassageandthenmarksyouranswerontheAnswerSheet. Therearetwofactorswhichdetermineanindividual’sintelligence.Thefirstisthesortofbrainheisborn61.Humanbrainsdifferconsiderably,62beingmorecapablethanothers.63nomatterhowgoodabrainhehastobeginwith,anindividualwillhavealoworderofintelligence64hehasopportunitiestolearn.Sothesecondfactoriswhat65totheindividual—thesortofenvironmentinwhichheisbrought66.Ifanindividualishandicapped(受阻碍)67,itislikelythathisbrainwill68todevelopandhewill69attainthelevelofintelligenceofwhichheis70. Theimportanceofenvironmentindetermininganindividual’sintelligencecanbe71bythecasehistoryoftheidenticaltwins,PeterandJohn.Whenthetwinswerethreemonthsold,theirparentsdied,andtheyareplacedin72foster(寄养)homes.Peterwasrearedbyparentsoflowintelligenceinan73communitywithpooreducational74.John,75,waseducatedinthehomeofwell-to-doparentswhohasbeentocollege.Thisenvironmental76continueduntilthetwinswere77theirlateteens,78theyweregiventeststo79theirintelligence.John’sI.Q.(智商)was125,twenty-fivepointshigherthanthe80andfullyfortypointshigherthanhisidenticalbrother. 61.A.forB.byC.withD.in 62.A.mostB.someC.manyD.few 63.A.ButB.ForC.StillD.And 64.A.ifB.thoughtC.asD.unless 65.A.refersB.appliesC.happensD.concerns 66.A.aboutB.upC.forwardD.forth 67.A.relativelyB.intelligentlyC.regularlyD.environmentally 68.A.failB.helpC.manageD.stop 69.A.everB.neverC.evenD.nearly 70.A.ableB.capableC.availableD.acceptable 71.A.demonstratedB.deniedC.neglectedD.ignored 72.A.separateB.similarC.remoteD.individual 73.A.omittedB.isolatedC.enclosedD.occupied 74.A.possibilitiesB.opportunitiesC.capacitiesD.responsibilities 75.A.moreoverB.consequentlyC.thenD.however 76.A.exceptionB.divisionC.differenceD.alteration 77.A.inB.byC.atC.for 78.A.whileB.sinceC.whenD.because 79.A.estimateB.countC.decideD.measure 80.A.averageB.commonC.usualD.ordinary
试题分类: 大学英语六级
练习次数:0次
扫一扫,手机做题