北师大版unit19复习总结

你知道pid是什么意思吗？在生活中或网络中，难免会碰到这些不常使用的词汇，那么这些词到底是什么意思呢，下面我们一起来看看pid是什么意思吧。pid是什么意思数字电视复用系统名词PID(PacketIdentifier)在数字电视复用系统中它的作用好比一份文件的文件名，我们可以称它为“标志码传输包”。工程控制和数学物理方面PID(比例积分微分)英文全称为ProportionIntegrationDifferentiation，它是一个数学物理术语。PID=portID，在STP(生成树协议)中，若在端口收到的BPDU中BID和pathcost相同时，则比较PID来选择阻塞端口。组成PID由8位端口优先级加端口号组成，端口号占低位，默认端口号优先级128。扩展阅读：关于pid原理和特点在工程实际中，应用最为广泛的调节器控制规律为比例、积分、微分控制，简称PID控制，又称PID调节。PID控制器问世至今已有近70年历史，它以其结构简单、稳定性好、工作可靠、调整方便而成为工业控制的主要技术之一。当被控对象的结构和参数不能完全掌握，或得不到精核心单词根据提示写出英语单词或汉语意思。1.___________v.使兴奋2.___________v.束紧3.____________v.告知通知4.____________v.与…相似5.____________n.赞成；同意6.____________v.购买7.____________vt.使尴尬8.____________v.包围围绕9.____________vt.保证，确保10.___________v.祝贺11.___________(vt)调节12.___________(vt)告知thrillfasteninformresembleapprovalpurchaseembarrasssurroundensurecongratulateadjustinform13.__________(n)理论14.__________(n)咖啡馆15.__________(adj)足够的16.__________(adj)准时的17.____________(n)能力18.__________(vt)登记19.__________(v)扩大20.__________(n)候选人21.__________(v)达到22.__________(adj)僵硬的23.__________(n)偷窃24.______________(adj)不知不觉的25.__________(n)地球theorycafeteriaadequatepunctualcompetenceregisterenlargecandidateattainrigidtheftunconsciousglobe26.algebra_________________27.geometry________________28.bacteria________________29.stewardess_______________30.manual___________________31.accelerate_______________32.acquisition______________代数几何细菌女乘务员手册加速(语言)习得词类转换按要求写出下列单词的适当形式。1.advance(v.)___________(adj.)高级的类似:disappoint(v.)_______________(adj.)失望2.communicate(v.)________________(n)通信类似:observe(v.)___________(n.)观察3.confuse(v.)___________(n)弄乱类似:conclude(v.)____________(n.)结论4.congratulate(v.)______________祝贺类似:celebrate(v.)______________(n.)庆祝5.accurate(adj.)___________(n)精确度类似:fluent(adj.)___________(n.)流利度advanceddisappointedcommunicationobservationconfusionconclusioncongratulationcelebrationaccuracyfluency6.acquire(v.)_____________(n)获得类似:explain_____________(n.)获得7.adjust(v.)_____________(n)调节类似:announce(v.)_______________(n)布告8.offend(v.)_____________(n)冒犯类似:defend(v.)_________________(n.)保卫9.register(v.)_______________(n)注册类似:pronounce(v.)________________(n.)发音10.absence(n.)___________(adj)不存在的类似:silence(n.)_____________(adj.)沉默的acquisitionexplanationadjustmentannouncementoffencedefence/defenseregistrationpronunciationabsentsilent重要词组1.______________学会2.______________由……组成3.______________不理会不顾4.______________故意地5.______________意识到6.______________与……不同7.______________提前地8.______________集中9._____________________为了……目的10.____________________弄糊涂catchonconsistofregardlessofonpurposebeawareofdifferfrominadvancefocusonforthepurposeofcauseconfusion11.pointat_________________12.congratulatesbonsth______________13.catchholdof________________14.standout___________________15.goaheadwith__________________16.teamup_____________________17.keepto______________________18.provided(that)________________19.relyon_______________________20.keep…inmind________________指着祝贺某人某事抓住不放手突出,站在外面在……方面取得进步合作坚持,信守如果,条件是依靠记住核心单词1.resemblevt.像……；与……相似(lookorbelike)★拓展：______________n.相似类似■运用：用resemble翻译下列句子。(1)你的单车与我的差不多。__________________________________________(2)你非常像你的母亲。__________________________________________resemblanceYourbicycleresemblesmine.Youresembledyourmotherveryclosely.2.purchasevt.&n.购买(buy,buying)◆辨析：purchase是较为正式的用语，buy是普通用语，意义较为广泛。■运用：用purchase翻译下列句子。(1)你必须提前21天购票。__________________________________________(2)我打算在乡间买一所房子。__________________________________________Youmustpurchaseyourtickets21daysinadvance.Iintendtopurchaseahouseinthecountry.3.approvaln.赞成，同意★拓展：__________v.赞成，同意■运用：用approval翻译下列句子。(1)他用赞许的眼光看了看儿子。Shelookedatherson_____________.(2)她想赢得父亲的同意。Shewantedto_____________________________.(3)他用微笑表示赞成。______________________bysmiling.approvewithapproval.winherfather’sapproval.Heshowedhisapproval4.embarrassvt.使……尴尬★拓展：请用下列两个单词填空。embarrassedadj.感到尴尬的embarrassingadj.使人尴尬的The____________situationmadeher___________.■运用：用embarrass翻译下列句子。(1)不要问有关个人隐私的问题，以免使他们尴尬。Don’t______________withpersonalquestions。(2)他丈夫粗鲁的举动使她难堪。Herhusband’srudebehavior________________(3)别提出那令人尴尬的话题。Don'tbringupthat___________________.embarrassingembarrassedembarrassthemembarrassedher.embarrassingtopic5.fastenvt.&vi.栓，扣，集中（目光、注意力）★拓展:用适当的介词或副词填空。(1)fasten_____抓住，采纳，强加于(2)fasten_____关紧，捆牢(3)fastenone’seyes_____sb.盯住某人■运用：用fasten翻译下列句子(1)他定睛注视着我。________________________________________(2)把那只手提箱关紧。________________________________________(3)总统立刻采纳了这个意见。________________________________________onuponHefastenedhiseyesonme.Fastenthatsuitcaseup.Thepresidentfastenontheideaatonce.6.informv.通知告知(giveinformationto)★搭配:用适当的介词填空。(1)informsb.______sth.通知某人某事(2)informoneself______thefacts使自己了解事实(3)keepmeinformed_____sth.告诉我某事■运用:用inform翻译下列句子。(1)如果他回来了，请告诉我。Ifhecomesback,________________________(2)他告诉了我他的旅行计划。______________________________________(3)有事，请随时告诉我。Please_______________________________whathappens.(4)他将通知我们去哪儿。________________________________(5)他被告知他已经被开除了。He______________________hehadbeenfired.ofofofpleaseinformmeHeinformedmeofhistravelplans.keepmeinf