简介:作为索尼NWZ-S736F简化版本的NWZ-E436F承继了索尼的精工造诣,功能实用,支持长达约45小时音乐播放或约8小时视频播放,续航能力表现出众。
简介:Resourcessharedine-Sciencehavecriticalrequirementsonsecurity.Thussubjectivetrustmanagementisessentialtoguaranteeusers'collaborationsandcommunicationsonsuchapromisinginfrastructure.Asanimportantnatureofsubjectivetrust,uncertaintyshouldbepreservedandexhibitedintrustdefinition,representationandevolution.Considerthedrawbacksofexistingmechanismsbasedonrandommathematicsandfuzzytheory,thispaperdesignsanuncertaintyenhancedtrustevolutionstrategybasedoncloudmodeltheory.Wedefinesubjectivetrustastrustcloud.Thenweproposenewalgorithmstopropagate,aggregateandupdatetrust.Furthermore,basedontheconceptofsimilarcloud,amethodtoassesstrustlevelisputforward.Thesimulationresultsshowtheeffiectiveness,rationalityandefficiencyofourproposedstrategy.
简介:<正>E212a是易美逊旗下第一款带HDMI接口的22英寸LCD,采用TN面板,拥有5ms灰阶响应时间,16.7M最大显示色彩,2000:1对比度等主流参数,此外还提供了Composite复合讯号接口。易美逊E212a的参数:型号:E212a尺寸:22英寸面板类型:TN屏幕比例:16:10显示色彩:16.7M亮度:300cd/m~2对比度:2000:1最佳分辨率:1680×1050响应时间:5ms水平可视角度:170°垂直可视角度:160°接口:D-Sub,DVI,HDMI,色差输入Y/Pb/Pr安规认证:微软VistaPremium认证