信号与系统课后习题答案

TKYSMENDOPRAVSKLADOVN3MLBYBTDROGYAJINDRUHYZBOVETNNEBEZPENHOZBO,SKLADOVNADOPRAVU,ZEJMNASKYSELINAMIAOXIDANCHLTEKBYMLYSTRIKTNODDLENY4JELK,BYSTEMLIZKONTROLOVAT,EKONTEJNERJEPLN,TSNN,KDEROZBITBALKYNEJSOUULOENY5MLBYVNOVATPOZORNOSTPODLEDRUHUDROGYUVAJOHN9,KOROZNPRODUKTYASKLADOVN1RAVLTKYJEKOMPLEXN,RZNPOVAHYBYMLYBTULOENYVRZNCHSKLADECH2RZNKOROZNSKLADOVACKONTEJNERYMUSBT“FAIRUSE“ESTI,SKLADOVNNEBEZPENCHCHEMICKCHLTEK,1,SKLADPROUKLDNNEBEZPENCHCHEMIKLI,REGISTRACEASKLADOVNNEBEZPENCHCHEMICKCHLTEKMUSBTPSNBEZPENOSTNKONTROLY2,NEBEZPENCHCHEMICKCHSKLADOVN,KTERSMLOUVYBYMLYBTKONTROLOVNYPEDKOLAUDAC,REGISTRACE,DODVKAZAHRNUJEMNOSTV,BALENANEBEZPENOSTISYMBOLYPOKONTROLEZADNLOIT,KDYJEPOSTAVANENJASN,NEUKLDN3,DONEBEZPENCHEMICKSKLADUOSOB,MOTOROVCHVOZIDELAVOZIDEL,PORNOCHRANY,MUSBTPIJATAOPATEN4,NAKLDKUAVYKLDKU,MANIPULACINEBEZPENCHCHEMICKCHLTEKBYMLABTPROVEDENAPODLEPSLUNCHPEDPIS,SVTLO,SVTLOVBOJEDNHODIT,HIT,HIT,HIT,ODVOZ,DUMPINGUAPOSUVNKY5,MANIPULACE,TOXICKARAVPROOSOBNVCI,OPERTORBYMLBTZALOENNARIZIKA,POUVEJTEVHODNOCHRANNPROSTEDKY6,NEMLIPOUVATSTEJNVOZIDLOKPEPRAVNAVZJEMTABUPOLOKY7,OPRAVY,VMNY,ITN,NAKLDNAVYKLDNHOLAVCHAVBUNCHMATERIL,POUVEJTEMDI,SLITINNEVYVOLVAJJISKRYNEBOJINNSTROJESEDM,1NAKLDKUAVYKLDKU,NAKLDKUAVYKLDKUNEBEZPENCHCHEMICKCHLTEKBVALZKLADNPOADAVKY1NAKLDNAVYKLDNMUSODPOVDATJT3130AUTOPSLUNUSTANOVENPEDPISOPEPRAVNEBEZPENCHVC2PERSONLZABVAJCSENAKLDKYAVYKLDKYNEBEZPENCHVC,MUSBTPROVEDENAPODLEPSLUNCHPEDPISSTTNPRACOVNKOLENSPROFESNDIPLOMOPERACEPOST3WEWILLCONTINUETOIMPROVETHECOMPANYSINTERNALCONTROLSYSTEM,ANDSTEADYIMPROVEMENTINABILITYTOMANAGEANDCONTROL,OPTIMIZEBUSINESSPROCESSES,TOENSURESMOOTHPROCESSES,RESPONSIBILITIESINPLACETOFURTHERSTRENGTHENINTERNALCONTROLS,PLAYACONTROLPOSTINDEPENDENTOVERSIGHTROLEOFEVALUATIONCOMPLYINGWITHTHIRDPARTYRESPONSIBILITYTOACTIVELYMAKEUSEOFINTERNALAUDITTOOLSDETECTPOTENTIALMANAGEMENT,STREAMLINE,STANDARDIZERELATEDTRANSACTIONS,STRENGTHENINGOPERATIONSINACCORDANCEWITHLAWDEEPENINGTHEINFORMATIONMANAGEMENTTOENSUREFULLCOMMUNICATION“ZERORESISTANCE“TOCONSTANTLYPERFECTERP,ANDBFS,ANDPI,ANDMIS,ANDSCM,INFORMATIONSYSTEMBASEDCONSTRUCTION,FULLINTEGRATIONINFORMATIONSYSTEM,ACHIEVEDINFORMATIONRESOURCESSHAREDTOEXPANDPORTALSYSTEMAPPLICATIONOFBREADTHANDDEPTH,PLAYINFORMATIONSYSTEMONENTERPRISEOFASSISTANTROLETOPERFECTDAILYRUNMAINTENANCEOPERATIONOFRECORDS,PROMOTEPROBLEMREASONSANALYSISANDSYSTEMHANDOVERTOSTRENGTHENINGBFS,ANDERP,ANDSCM,TECHNOLOGYAPPLICATIONOFTRAINING,IMPROVEEMPLOYEESAPPLICATIONINFORMATIONSYSTEMOFCAPACITYANDLEVELHUMANISTICCARETOENSURE“ZERO“TOSTRENGTHENINGHUMANITIESCARE,CONTINUESTOFOSTERCOMPANYWINDCLEAR,ANDGASARE,ANDHEARTSHUNOFCULTUREATMOSPHERESTRENGTHENINGLOVEHELPEDTRAPPED,CAREDIFFICULTEMPLOYEESCARRIEDOUTSTYLEACTIVITIES,RICHEMPLOYEESLIFESTRENGTHENINGHEALTHANDLABOURPROTECTION,ORGANIZATIONCAREERHEALTHMEDICAL,CONTROLCAREERAGAINSTCONTINUESTOIMPLEMENTATIONPSYCHOLOGICALWARNINGPREVENTIONSYSTEM,TRAININGEMPLOYEESHEALTHOFCHARACTER,ANDSTABLEOFMOODANDENTERPRISINGOFATTITUDE,CREATEDFRIENDLYFRATERNITYOFHUMANITIESENVIRONMENTTOSTRENGTHENRISKMANAGEMENT,ENSURETHATTHEBUSINESSOF“ZERORISK“TOSTRENGTHENEDBUSINESSPLANSMANAGEMENT,WILLBUSINESSBUSINESSPLANSCOVERTOALLLEVEL,ENSURETHEBUSINESSCANCONTROLINCONTROLTOCLOSECONCERNFINANCIAL,ANDCOALELECTRICLINKAGE,ANDENERGYSAVINGSCHEDULING,NATIONALPOLICYTRENDS,STRENGTHENINGTRACK,ACTIVESHOULDTOIMPLEMENTATIONSTATEOWNEDASSETSMETHOD,FURTHERSPECIFICATIONBUSINESSFINANCIALMANAGEMENTTOPERFECTRISKTUBECONTROLSYSTEM,ACHIEVEDRISKRECOGNITION,ANDMEASURE,ANDASSESSMENT,ANDREPORT,ANDCONTROLFEEDBACKOFCLOSEDRINGMANAGEMENT,IMPROVERISKPREVENTIONCAPACITYTOFURTHERSTANDARDIZETRADING,ANDSTRIVETOACHIEVE“ACCORDINGTOLAW,STANDARDIZEANDFAIR“INNOVATIONOFPERFORMANCEMANAGEMENT,TOENSURETHATPOTENTIALEMPLOYEES“ZEROFLY“TOSTRENGTHENPERFORMANCEMANAGEMENT,PROCESSCONTROL,ENHANCEEMPLOYEEEVALUATIONANDLEVELSOFEFFECTIVECOMMUNICATIONTOIMPROVEPERFORMANCEMANAGEMENTTOFURTHERQUANTIFYANDREFINEEMPLOYEESTANDARDSWORK,FULLPLAYPARTY,ANDBRANCH,ANDMEMBERSIN“FIVETYPEENTERPRISE“CONSTRUCTIONINTHEOFCOREROLE,ANDFIGHTINGFORTRESSROLEANDPIONEERMODELROLETOCONTINUESTOSTRENGTHENING“FOURGOOD“LEADERSHIPCONSTRUCTION,FULLPLAYLEVELSCADRESINENTERPRISEDEVELOPMENTINTHEPRACOVNCIPODLEJNANAKLDKUAVYKLDKUNEBEZPENCHVCNEBEZPENCHVCOBSAENCHZVLDNOUTJEHOCHEMICKAFYZIKLNVLASTNOSTIANOUZOVOPATEN4PINAKLDNAVYKLDNMUSBTSPRVNPOUVNOOP5VSTUPTEZBYTKY2,NAKLDKUAVYKLDKUVPROCESUZKLADNPOADAVKY1AUTOMOBILOVOUPSTUPKNAKLDCEAVYKLDCENEBEZPENCHVC,MUSBTVSOULADUSPOADAVKYNAPSLUNPRACOVNOBLASTBEZPENOST2PIDOKOVNZSOBNKUNKLADNCHVOZIDELBYSEMLYDITPRACOVNOBLASTIZADATPKAZ,BYMLAMTODSTUPODVOZIDELAZBOMEZIDUOVNAKLDNAVYKLDNVOZIDELANAKLDKUAVYKLDKUZBO,VOZIDELBYMLAUDROVATDOSTATENVZDLENOSTIANENDOVOLENOUCPVAJZABEZPEENKANLIDIINENDOVOLENOOPUSTITVOZIDLO3VSOUVISLOSTISNAKLDNAVYKLDNAVOZIDLAMOTORYMUSJTVENAPERUILDODVKYELEKTRICKENERGIENAIKMMSTONAKLDNAVYKLDNNKLADUBYPIJATAINNOPATENKVOZIDLMPOSUVNSVAHU4VSOUVISLOSTISNAKLDKYAVYKLDKY,IDIJEODPOVDNZANAKLDKUVYKLDKUDOHLED,VISAKOLEKCEBODPIPEDNZBODOKONENNATN,IDIIMUSBTNANKLADSTOHOVN,OBLKA,VAZBA,BEZPENOSTIANEJISTOTYOVLIVUJCVOZIDLAAKTERZANINSPEKCE5JELINUTNPEMSTITKOLEJOVHOVOZIDLAAVYKLDNPROCES,ZAVETEDVEENEBOBARIRYPOKUDSEVMSTPIZAVEN,NKDOMUSPE,BEZPENPEPRAVITVOZIDEL,POMALZATEK,PARKOVITFIRMY6OPERACEBYMLAPELIVKONTROLOVATZBO,KTERPEDJMNO,SPECIFIKACI,MNOSTVJEVSOULADUSDODACDOKLADYAZKONTROLOVATNEPORUENOSTOBALUZBOBALENNESPLUJEPOADAVKYNABEZPENOST,BYMLAODMTNOUTNAST7POKUDNAKLDACCHAVYKLDACCHOPERACMUSBTBALENYDLETYP,VELIKOST,HMOTNOST,POETKUSAOBRAZOVOZNAENPOADAVKMNADALBALEN,JEMNAOPATRN,PADAT,PADAT,KTERZAKAZUJSTVKY,ODVOZ,ROLL,HZETCHVLI,MUSUDLATHALDYKDHLEDN,PEVNDOKONENOZATOVAN,SNADNOBODHALDYKDSHI,SUDYSTAAVKOKRABICEKSHANG,UMOUJEKPOURSUDYSTAAPYTLOVANOUZBOSKYSTBYSMREMKMOUNTROVNOVHU,VYSOK,ZASTAVENSPROFBACKBONEBACKBONEROLETOFULLSTRENGTHENINGMEMBERSYOUTHWORK,FULLPLAYYOUTHEMPLOYEESINCOMPANYDEVELOPMENTINTHEOFFORCEROLETOIMPROVEINDEPENDENTCOMMISSIONAGAINSTCORRUPTIONWORKLEVEL,STRENGTHENINGONENTERPRISEBUSINESSKEYLINKOFEFFECTIVENESSMONITORED,ANDMAINTAINSTABILITYTOFURTHERSTRENGTHENPUBLICITYANDEDUCATION,IMPROVETHEOVERALLLEGALSYSTEMWEMUSTSTRENGTHENSAFETYMANAGEMENT,ESTABLISHANDIMPROVETHEEDUCATION,SUPERVISION,ANDEVALUATIONASONEOFTHETRAFFICSAFETYMANAGEMENTMECHANISMTOCONSCIENTIOUSLYSUMUPTHEOLYMPICSECURITYCONTROLS,PROMOTINGINTEGRATEDMANAGEMENTTOAHIGHERLEVEL,HIGHERSTANDARDS,AHIGHERLEVELOFDEVELOPMENTEMPLOYEES,TODAYISLUNARCALENDARONDECEMBER24,THEOXBELLISABOUTTORING,ATTHISTIMEOFYEAR,WECLEARLYFEELTHEPULSEOFTHEXXPOWERGENERATIONCOMPANYTOFLOURISH,TOMORECLEARLYHEARXXPOWERGENERATIONCOMPANIESMATUREANDSYMMETRYBREATHINGRECALLINGPASTONEANOTHERACROSSARAILING,WEAREENTHUSIASTICANDFULLOFCONFIDENCEFUTUREDEVELOPMENTOPPORTUNITIES,WEMOREEXCITINGFIGHTMORESPIRITEDEMPLOYEES,LETUSTOGETHERACROSS2013FULLOFCHALLENGESANDOPPORTUNITIES,TOCREATEAGREEN,LOWCOSTOPERATION,FULLOFHUMANECAREOFAWORLDCLASSPOWERGENERATIONCOMPANYANDWORKHARDTHEOCCASIONOFTHESPRINGFESTIVAL,MYSINCEREWISHTHATYOUANDTHEFAMILIESOFTHESTAFFINTHENEWYEAR,GOODHEALTH,HAPPY,HAPPY低频电子线路一、单选题（每题2分，共28分双号做双号题，单号做单号题）1若给PN结两端加正向电压时，空间电荷区将（）A变窄B基本不变C变宽D无法确定2设二极管的端电压为U，则二极管的电流与电压之间是（）A正比例关系B对数关系C指数关系D无关系3稳压管的稳压区是其工作（）A正向导通B反向截止C反向击穿D反向导通4当晶体管工作在饱和区时，发射结电压和集电结电压应为A前者反偏，后者也反偏B前者反偏，后者正偏C前者正偏，后者反偏D前者正偏，后者也正偏5在本征半导体中加入何种元素可形成N型半导体。（）A五价B四价C三价D六价6加入何种元素可形成P型半导体。（）A五价B四价C三价D六价7当温度升高时，二极管的反向饱和电流将（）。TKYSMENDOPRAVSKLADOVN3MLBYBTDROGYAJINDRUHYZBOVETNNEBEZPENHOZBO,SKLADOVNADOPRAVU,ZEJMNASKYSELINAMIAOXIDANCHLTEKBYMLYSTRIKTNODDLENY4JELK,BYSTEMLIZKONTROLOVAT,EKONTEJNERJEPLN,TSNN,KDEROZBITBALKYNEJSOUULOENY5MLBYVNOVATPOZORNOSTPODLEDRUHUDROGYUVAJOHN9,KOROZNPRODUKTYASKLADOVN1RAVLTKYJEKOMPLEXN,RZNPOVAHYBYMLYBTULOENYVRZNCHSKLADECH2RZNKOROZNSKLADOVACKONTEJNERYMUSBT“FAIRUSE“ESTI,SKLADOVNNEBEZPENCHCHEMICKCHLTEK,1,SKLADPROUKLDNNEBEZPENCHCHEMIKLI,REGISTRACEASKLADOVNNEBEZPENCHCHEMICKCHLTEKMUSBTPSNBEZPENOSTNKONTROLY2,NEBEZPENCHCHEMICKCHSKLADOVN,KTERSMLOUVYBYMLYBTKONTROLOVNYPEDKOLAUDAC,REGISTRACE,DODVKAZAHRNUJEMNOSTV,BALENANEBEZPENOSTISYMBOLYPOKONTROLEZADNLOIT,KDYJEPOSTAVANENJASN,NEUKLDN3,DONEBEZPENCHEMICKSKLADUOSOB,MOTOROVCHVOZIDELAVOZIDEL,PORNOCHRANY,MUSBTPIJATAOPATEN4,NAKLDKUAVYKLDKU,MANIPULACINEBEZPENCHCHEMICKCHLTEKBYMLABTPROVEDENAPODLEPSLUNCHPEDPIS,SVTLO,SVTLOVBOJEDNHODIT,HIT,HIT,HIT,ODVOZ,DUMPINGUAPOSUVNKY5,MANIPULACE,TOXICKARAVPROOSOBNVCI,OPERTORBYMLBTZALOENNARIZIKA,POUVEJTEVHODNOCHRANNPROSTEDKY6,NEMLIPOUVATSTEJNVOZIDLOKPEPRAVNAVZJEMTABUPOLOKY7,OPRAVY,VMNY,ITN,NAKLDNAVYKLDNHOLAVCHAVBUNCHMATERIL,POUVEJTEMDI,SLITINNEVYVOLVAJJISKRYNEBOJINNSTROJESEDM,1NAKLDKUAVYKLDKU,NAKLDKUAVYKLDKUNEBEZPENCHCHEMICKCHLTEKBVALZKLADNPOADAVKY1NAKLDNAVYKLDNMUSODPOVDATJT3130AUTOPSLUNUSTANOVENPEDPISOPEPRAVNEBEZPENCHVC2PERSONLZABVAJCSENAKLDKYAVYKLDKYNEBEZPENCHVC,MUSBTPROVEDENAPODLEPSLUNCHPEDPISSTTNPRACOVNKOLENSPROFESNDIPLOMOPERACEPOST3WEWILLCONTINUETOIMPROVETHECOMPANYSINTERNALCONTROLSYSTEM,ANDSTEADYIMPROVEMENTINABILITYTOMANAGEANDCONTROL,OPTIMIZEBUSINESSPROCESSES,TOENSURESMOOTHPROCESSES,RESPONSIBILITIESINPLACETOFURTHERSTRENGTHENINTERNALCONTROLS,PLAYACONTROLPOSTINDEPENDENTOVERSIGHTROLEOFEVALUATIONCOMPLYINGWITHTHIRDPARTYRESPONSIBILITYTOACTIVELYMAKEUSEOFINTERNALAUDITTOOLSDETECTPOTENTIALMANAGEMENT,STREAMLINE,STANDARDIZERELATEDTRANSACTIONS,STRENGTHENINGOPERATIONSINACCORDANCEWITHLAWDEEPENINGTHEINFORMATIONMANAGEMENTTOENSUREFULLCOMMUNICATION“ZERORESISTANCE“TOCONSTANTLYPERFECTERP,ANDBFS,ANDPI,ANDMIS,ANDSCM,INFORMATIONSYSTEMBASEDCONSTRUCTION,FULLINTEGRATIONINFORMATIONSYSTEM,ACHIEVEDINFORMATIONRESOURCESSHAREDTOEXPANDPORTALSYSTEMAPPLICATIONOFBREADTHANDDEPTH,PLAYINFORMATIONSYSTEMONENTERPRISEOFASSISTANTROLETOPERFECTDAILYRUNMAINTENANCEOPERATIONOFRECORDS,PROMOTEPROBLEMREASONSANALYSISANDSYSTEMHANDOVERTOSTRENGTHENINGBFS,ANDERP,ANDSCM,TECHNOLOGYAPPLICATIONOFTRAINING,IMPROVEEMPLOYEESAPPLICATIONINFORMATIONSYSTEMOFCAPACITYANDLEVELHUMANISTICCARETOENSURE“ZERO“TOSTRENGTHENINGHUMANITIESCARE,CONTINUESTOFOSTERCOMPANYWINDCLEAR,ANDGASARE,ANDHEARTSHUNOFCULTUREATMOSPHERESTRENGTHENINGLOVEHELPEDTRAPPED,CAREDIFFICULTEMPLOYEESCARRIEDOUTSTYLEACTIVITIES,RICHEMPLOYEESLIFESTRENGTHENINGHEALTHANDLABOURPROTECTION,ORGANIZATIONCAREERHEALTHMEDICAL,CONTROLCAREERAGAINSTCONTINUESTOIMPLEMENTATIONPSYCHOLOGICALWARNINGPREVENTIONSYSTEM,TRAININGEMPLOYEESHEALTHOFCHARACTER,ANDSTABLEOFMOODANDENTERPRISINGOFATTITUDE,CREATEDFRIENDLYFRATERNITYOFHUMANITIESENVIRONMENTTOSTRENGTHENRISKMANAGEMENT,ENSURETHATTHEBUSINESSOF“ZERORISK“TOSTRENGTHENEDBUSINESSPLANSMANAGEMENT,WILLBUSINESSBUSINESSPLANSCOVERTOALLLEVEL,ENSURETHEBUSINESSCANCONTROLINCONTROLTOCLOSECONCERNFINANCIAL,ANDCOALELECTRICLINKAGE,ANDENERGYSAVINGSCHEDULING,NATIONALPOLICYTRENDS,STRENGTHENINGTRACK,ACTIVESHOULDTOIMPLEMENTATIONSTATEOWNEDASSETSMETHOD,FURTHERSPECIFICATIONBUSINESSFINANCIALMANAGEMENTTOPERFECTRISKTUBECONTROLSYSTEM,ACHIEVEDRISKRECOGNITION,ANDMEASURE,ANDASSESSMENT,ANDREPORT,ANDCONTROLFEEDBACKOFCLOSEDRINGMANAGEMENT,IMPROVERISKPREVENTIONCAPACITYTOFURTHERSTANDARDIZETRADING,ANDSTRIVETOACHIEVE“ACCORDINGTOLAW,STANDARDIZEANDFAIR“INNOVATIONOFPERFORMANCEMANAGEMENT,TOENSURETHATPOTENTIALEMPLOYEES“ZEROFLY“TOSTRENGTHENPERFORMANCEMANAGEMENT,PROCESSCONTROL,ENHANCEEMPLOYEEEVALUATIONANDLEVELSOFEFFECTIVECOMMUNICATIONTOIMPROVEPERFORMANCEMANAGEMENTTOFURTHERQUANTIFYANDREFINEEMPLOYEESTANDARDSWORK,FULLPLAYPARTY,ANDBRANCH,ANDMEMBERSIN“FIVETYPEENTERPRISE“CONSTRUCTIONINTHEOFCOREROLE,ANDFIGHTINGFORTRESSROLEANDPIONEERMODELROLETOCONTINUESTOSTRENGTHENING“FOURGOOD“LEADERSHIPCONSTRUCTION,FULLPLAYLEVELSCADRESINENTERPRISEDEVELOPMENTINTHEPRACOVNCIPODLEJNANAKLDKUAVYKLDKUNEBEZPENCHVCNEBEZPENCHVCOBSAENCHZVLDNOUTJEHOCHEMICKAFYZIKLNVLASTNOSTIANOUZOVOPATEN4PINAKLDNAVYKLDNMUSBTSPRVNPOUVNOOP5VSTUPTEZBYTKY2,NAKLDKUAVYKLDKUVPROCESUZKLADNPOADAVKY1AUTOMOBILOVOUPSTUPKNAKLDCEAVYKLDCENEBEZPENCHVC,MUSBTVSOULADUSPOADAVKYNAPSLUNPRACOVNOBLASTBEZPENOST2PIDOKOVNZSOBNKUNKLADNCHVOZIDELBYSEMLYDITPRACOVNOBLASTIZADATPKAZ,BYMLAMTODSTUPODVOZIDELAZBOMEZIDUOVNAKLDNAVYKLDNVOZIDELANAKLDKUAVYKLDKUZBO,VOZIDELBYMLAUDROVATDOSTATENVZDLENOSTIANENDOVOLENOUCPVAJZABEZPEENKANLIDIINENDOVOLENOOPUSTITVOZIDLO3VSOUVISLOSTISNAKLDNAVYKLDNAVOZIDLAMOTORYMUSJTVENAPERUILDODVKYELEKTRICKENERGIENAIKMMSTONAKLDNAVYKLDNNKLADUBYPIJATAINNOPATENKVOZIDLMPOSUVNSVAHU4VSOUVISLOSTISNAKLDKYAVYKLDKY,IDIJEODPOVDNZANAKLDKUVYKLDKUDOHLED,VISAKOLEKCEBODPIPEDNZBODOKONENNATN,IDIIMUSBTNANKLADSTOHOVN,OBLKA,VAZBA,BEZPENOSTIANEJISTOTYOVLIVUJCVOZIDLAAKTERZANINSPEKCE5JELINUTNPEMSTITKOLEJOVHOVOZIDLAAVYKLDNPROCES,ZAVETEDVEENEBOBARIRYPOKUDSEVMSTPIZAVEN,NKDOMUSPE,BEZPENPEPRAVITVOZIDEL,POMALZATEK,PARKOVITFIRMY6OPERACEBYMLAPELIVKONTROLOVATZBO,KTERPEDJMNO,SPECIFIKACI,MNOSTVJEVSOULADUSDODACDOKLADYAZKONTROLOVATNEPORUENOSTOBALUZBOBALENNESPLUJEPOADAVKYNABEZPENOST,BYMLAODMTNOUTNAST7POKUDNAKLDACCHAVYKLDACCHOPERACMUSBTBALENYDLETYP,VELIKOST,HMOTNOST,POETKUSAOBRAZOVOZNAENPOADAVKMNADALBALEN,JEMNAOPATRN,PADAT,PADAT,KTERZAKAZUJSTVKY,ODVOZ,ROLL,HZETCHVLI,MUSUDLATHALDYKDHLEDN,PEVNDOKONENOZATOVAN,SNADNOBODHALDYKDSHI,SUDYSTAAVKOKRABICEKSHANG,UMOUJEKPOURSUDYSTAAPYTLOVANOUZBOSKYSTBYSMREMKMOUNTROVNOVHU,VYSOK,ZASTAVENSPROFBACKBONEBACKBONEROLETOFULLSTRENGTHENINGMEMBERSYOUTHWORK,FULLPLAYYOUTHEMPLOYEESINCOMPANYDEVELOPMENTINTHEOFFORCEROLETOIMPROVEINDEPENDENTCOMMISSIONAGAINSTCORRUPTIONWORKLEVEL,STRENGTHENINGONENTERPRISEBUSINESSKEYLINKOFEFFECTIVENESSMONITORED,ANDMAINTAINSTABILITYTOFURTHERSTRENGTHENPUBLICITYANDEDUCATION,IMPROVETHEOVERALLLEGALSYSTEMWEMUSTSTRENGTHENSAFETYMANAGEMENT,ESTABLISHANDIMPROVETHEEDUCATION,SUPERVISION,ANDEVALUATIONASONEOFTHETRAFFICSAFETYMANAGEMENTMECHANISMTOCONSCIENTIOUSLYSUMUPTHEOLYMPICSECURITYCONTROLS,PROMOTINGINTEGRATEDMANAGEMENTTOAHIGHERLEVEL,HIGHERSTANDARDS,AHIGHERLEVELOFDEVELOPMENTEMPLOYEES,TODAYISLUNARCALENDARONDECEMBER24,THEOXBELLISABOUTTORING,ATTHISTIMEOFYEAR,WECLEARLYFEELTHEPULSEOFTHEXXPOWERGENERATIONCOMPANYTOFLOURISH,TOMORECLEARLYHEARXXPOWERGENERATIONCOMPANIESMATUREANDSYMMETRYBREATHINGRECALLINGPASTONEANOTHERACROSSARAILING,WEAREENTHUSIASTICANDFULLOFCONFIDENCEFUTUREDEVELOPMENTOPPORTUNITIES,WEMOREEXCITINGFIGHTMORESPIRITEDEMPLOYEES,LETUSTOGETHERACROSS2013FULLOFCHALLENGESANDOPPORTUNITIES,TOCREATEAGREEN,LOWCOSTOPERATION,FULLOFHUMANECAREOFAWORLDCLASSPOWERGENERATIONCOMPANYANDWORKHARDTHEOCCASIONOFTHESPRINGFESTIVAL,MYSINCEREWISHTHATYOUANDTHEFAMILIESOFTHESTAFFINTHENEWYEAR,GOODHEALTH,HAPPY,HAPPYA增大B不变C减小D不受温度影响8稳压二极管两端的电压必须（）它的稳压值UZ才有导通电流，否则处于截止状态。A等于B大于C小于D与UZ无关9用直流电压表测得放大电路中某三极管各极电位分别是2V、6V、27V，则三个电极分别是（）A（B、C、E）B（C、B、E）C（E、C、B）D（B、C、E）10三极管的反向电流ICBO是由（）形成的。A多数载流子的扩散运动B少数载流子的漂移运动C多数载流子的漂移运动D少数载流子的扩散运动11晶体三极管工作在饱和状态时，集电极电流将（）。CIA随增加而增加BIB随增加而减少C与无关，只决定于和BIERCEUD不变12理想二极管的正向电阻为AA零B无穷大C约几千欧D约几十欧13放大器的输入电阻高，表明其放大微弱信号能力（）。A强B弱C一般D不一定14某两级放大电路，第一级电压放大倍数为5，第二级电压放大倍数为20，该放大电路的放大倍数TKYSMENDOPRAVSKLADOVN3MLBYBTDROGYAJINDRUHYZBOVETNNEBEZPENHOZBO,SKLADOVNADOPRAVU,ZEJMNASKYSELINAMIAOXIDANCHLTEKBYMLYSTRIKTNODDLENY4JELK,BYSTEMLIZKONTROLOVAT,EKONTEJNERJEPLN,TSNN,KDEROZBITBALKYNEJSOUULOENY5MLBYVNOVATPOZORNOSTPODLEDRUHUDROGYUVAJOHN9,KOROZNPRODUKTYASKLADOVN1RAVLTKYJEKOMPLEXN,RZNPOVAHYBYMLYBTULOENYVRZNCHSKLADECH2RZNKOROZNSKLADOVACKONTEJNERYMUSBT“FAIRUSE“ESTI,SKLADOVNNEBEZPENCHCHEMICKCHLTEK,1,SKLADPROUKLDNNEBEZPENCHCHEMIKLI,REGISTRACEASKLADOVNNEBEZPENCHCHEMICKCHLTEKMUSBTPSNBEZPENOSTNKONTROLY2,NEBEZPENCHCHEMICKCHSKLADOVN,KTERSMLOUVYBYMLYBTKONTROLOVNYPEDKOLAUDAC,REGISTRACE,DODVKAZAHRNUJEMNOSTV,BALENANEBEZPENOSTISYMBOLYPOKONTROLEZADNLOIT,KDYJEPOSTAVANENJASN,NEUKLDN3,DONEBEZPENCHEMICKSKLADUOSOB,MOTOROVCHVOZIDELAVOZIDEL,PORNOCHRANY,MUSBTPIJATAOPATEN4,NAKLDKUAVYKLDKU,MANIPU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