简介:ChinaTightensUpMariageManagementControlofpopulationgrowththroughafamilyplanningprogrammeisanationalbasicpolicyofChina.Thefirs...
简介:摘要串口通信是很多单片机系统中不可或缺的功能,在通讯中,如何实现通信双方波特率的匹配极为重要。文中提出了一种由从机自动适应主机波特率的新方法,此法方便实用,握手时间快关键词串口;波特率;自适应在控制系统中,串口通讯是使用最为广泛的通讯方式,用串口进行数据通讯时,都需要配置串口的波特率和数据格式。在很多系统中,为了适应不同速率的数据通讯,可以设置多种波特率。
简介:TofurtherimplementthespiritoftheThirdPlenarySessionoftheEighteenthPartyCentralCommittee,conscientiouslysumupcomprehensivemanagementofsexratioatbirthin2013andfullyarrangethetasksin2014,onDecember20,2013,NationalMeetingonComprehensiveManagementofSexRatioatBirthwasheldinFuzhou
简介:QiaoXiaochun,professorofInstituteofPopulationResearchofPekingUniversity,PhDsupervisor,executiveeditorof"PopulationandDevelopment"magazine.HewasaformerprofessorofDepartmentofDemographyofRenminUniversityofChina,PhDsupervisor,AssociateDirectorofthedepartment;andhasservedas
简介:OnOctober11,2012,MinistryofPublicHealthheldaroutinepressconference.KongLingzhi,DeputyDirectorGeneralofBureauforDiseaseControlandPreventionofMinistryofPublicHealthintroducedrelevantworkinelderlyhealthcare.Kongsaidthenumberoftheagingpopulationagedover60inChinahadreached178millionbytheendof2010,accountingfor13.26%ofthetotalpopulation;andthoseagedover65hadreached119million,accountingfor8.9%ofthetotalpopulation.Chinaistheonlynationintheworldwithmorethan100millionoldpeople.CharacteristicsofpopulationaginginChinaarelargepopulationsize,fastpopulationgrowthandadvancedage.Incidenceand
简介:Citiesarethecrystallizationofhumancivilization.'ThelstanbulDeclarationonHumanSettlements'launchedin1996bytheUnitedNationsHumanSettlementsProgrammestressed,'Ourcitiesmustbeplaceswherehumanbeingsleadfulfillinglivesindignity,goodhealth,safety,happinessandhope.'Thetheme'Bettercity,Betterlife'ofWorldExpo2010ShanghaiChinaisevenmoreseductiveandiswhatpeoplearelongingfor.Withthedreamof'Betterlife',millionsofChinesefarmworkersdecidedtoleavetheirhomeland,rushingtothecities,whichhasformedtheworld'slargestpopulationmovementtoday.
简介:ZhangJuwei,deputydirector,researcherandPhDsupervisorofChineseAcademyofSocialSciences(CASS)InstituteofPopulationandLaborEconomics.HeisalsoheadofCASSSocialSecurityResearchCenteranddirectorofDepartmentofPopulationandLaborEconomics,CASSGraduateSchool.HisacademicinterestsarePopulationEconomicsandLaborEconomics.HeenjoysStateCouncilspecialallowance.Heisoneofthecandidates