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發表於:2017-02-25
Butpopulationgrowthisraisingdemand.Weareenteringaperiodofrapidpopulationgrowth.Thispaperdeducesatheoreticalpopulationmodelinaurbansystemunderahypotheticalconditionofzerop...
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發表於:2016-11-01
EpidemiologicalstudyofdepressioninagedpopulationinShanghaiarea.PrevalenceofpterygiuminruralBeijingagedpopulationComparativestudyonconstitutionoftheagedpopulationofChinaan...
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發表於:2021-12-11
Existingfamineearly-warningsystemsthatincludehouseholdfoodsecurityassessmentsandhungersurveysarenowwell-establishedandcanassistinunderstandingtheriskstovulnerablepopulati...
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發表於:2017-10-16
Theresultofliteratepopulationisnotonlypeoplecanread,toutilizetoolseffectively,togothroughtheirenvironment.Tohaveaknowledge-basedeconomyandascientificallyliteratepopulatio...
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發表於:2018-05-10
Byusingthismethod,thespeedofcaculationisobviouslyfasterthanthatofusingtherandomcaculationdirectlytoe-volvetheinitialpopulation.DEGAsearchesalloverthesolutionspaceasfarasp...
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發表於:2019-10-28
問題詳情: “PPE怪圈”是指貧窮(Poverty)、人口(Population)和環境(Environment)之間形成一種互為因果的關係,如下圖所示,讀圖完成29-30題。29.上圖中,a、b、c、d四點代表的人口增長狀況中最有...
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發表於:2017-11-02
Howcanweexplaintherecentpopulationexplosion?Valueladenandincendiarywordssuchasthe"populationbomb"or"populationexplosion"aretossedaroundatwill.Ifeveryonedecidedtobeclo...
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發表於:2018-06-03
Pharmacogenomicsisthestudyofthestratificationofthepharmacologicalresponsetoadrugbyapopulationbasedonthegeneticvariationofthatpopulation.ThePapermakesaresearchinScienceLit...
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發表於:2021-08-22
WhattodoabouttheagingofpopulationinHunanProvinceWhenformulatesthelatersocialpolicy,mustconsiderthefutureXiaoganagingofpopulationthefact.Ontheconditionofagingofpopulationa...
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發表於:2018-12-21
Poorpeasantsaccountedforthemajorityoftheruralpopulation.ModeldesigningofhealthseekingbehaviorinruralpopulationPensionschemeforruralpopulationinthenewera;Excessofrurallabo...
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發表於:2017-03-15
ObjectiveTodeterminetheinfectionstatusandimmunitylevelofepidemiccerebrospinalmeningitisinsusceptiblepopulationinHefeibasedonimmunoserologicalsurveillance.Inagivenarea,the...
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發表於:2020-10-08
問題詳情:圖*是“PPE怪圈”,是指貧困(Poverty)、人口(Population)和環境(Environment)之間形成的互為因果的關係。圖乙為不同國家人口增長示意圖,閲讀材料,回答下列各題。52.圖乙的①、②、...
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發表於:2018-04-23
ThenomadicpopulationofAfghanistanlivesintents.Despitestiffresistancebythenomadicpopulation,peopleweremovedtocollectivefarmsandhigh-yieldingcattlebreedswereintroduced....
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發表於:2017-08-29
Theshadeseriouslyinfluencedthepopulationdensity.Theyfoundthatbrainsizedecreasedaspopulationdensityincreased.Theincreasingpopulationdensitywillevenfurthercongealtraffic.In...
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發表於:2018-12-03
Returnstheconfidenceintervalforapopulationmean.SeeHelpfortheequationusedThecalculationformulasofsamplesizebasedontheerrorlimitationaregivenforestimationofpopulationmean.T...
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發表於:2017-07-28
Intheensuingchaoticdecades,theindigenouspopulationebbedandtheislandfadedintoobscurity,untilitwasannexedbyChilein1888.Reformbeganin1953,whenthehighlandindigenouspopulation...
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發表於:2016-10-21
BasedontheagingofthepopulationscientificcontentdefinedclearlyChina'sagingpopulationcauses.Suchautomatedrobotscouldhelpincaringforarapidlyagingpopulation.Undertheagingpop...
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發表於:2020-08-23
occupationalcompositionofemployedpopulationdepartmentalcompositionofemployedpopulationItisperhapssurprisingtoarguethatanemployedpopulationcouldbeenticedtomove,butanexplan...
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發表於:2020-02-13
Taxpenaltiesforthosewhohavefamilieswithmorethanadesignatednumberofchildrentodiscourageexcesspopulationgrowth.Agricultureprovidedamoredependablesourceoffood,causingpopulat...
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發表於:2018-05-29
Butthiswaslargelyareflectionofpopulationsize.Ifyouarereferringtopopulationsize,however,thatisthesizeofasmallcity.Forreasonsofmathematicalpurity,theyallassumedaninfinitepo...
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發表於:2018-12-22
Thenumberofyellowfevercaseshasincreasedoverthepasttwodecadesduetodecliningpopulationimmunitytoinfection,deforestation,urbanization,populationmovementsandclimatechange.AsJ...
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發表於:2018-08-28
NutritionstatusanditsinfluentialfactorsamongruralelderlypopulationThehealth,burdenandhomecareofChinaelderlypopulation;Nevadahasthefastest-growingelderlypopulationofanysta...
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發表於:2017-07-18
EffectofcontraceptionserviceinterventiononmigrantpopulationAmigrantpopulationusuallyconsistsofpartsofmigrantandresident,dependingontheenvironmentalconditionsthatthepopula...
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發表於:2018-10-02
人有自信,才能有魄力,人有膽識,才能有本錢,人有規矩,才能有學問,人有別人沒有的,減去別人有的,才能成長,改變自我,從減法開始。Althoughresearchershaveyettolearnmuchaboutthestellarpopulation...
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發表於:2018-05-22
Effectoftemperatureondevelopment,survival,reproduction,populationparameterandpopulationtrendindexofSpodopteralitura(Fabricius)werestudied.Theseinterpretivedifficultiesari...