前缀rdf .前缀rdfs .前缀xsd .前缀猫头鹰 .前缀d .前缀dctss .前缀dwc .Prefixsss .前缀tdwitliity .Prefixfaf: .Prefixdwiri . rdfs:isDefinedBy 脱机dcterms:isPartOf 脱机dcterms:issued "2021-10-05"^^xsd:date!tdwgutility:status "recommended"^^xsd:string!Rdfs:标签Media持续时间@enskos:priflabelMedia持续时间@enRdfs:建议“音视频文件几秒回播时间段”。skos定义音视频文件几秒回播时间段dcterms描述 : “这可能不同于秒差计算 ac:endTimestamp和ac:startTimestamprdf类型 脱机tdwgutility:organizedInClass 脱机tdwitlity:要求不tdwittleity: 可重拟的不dcterms:isVersionOf . dc:format文本/turtledc:catori信息标准dcterms:references 脱机dcterms:modified "2021-10-07T13:17:47-05:00"^^xsd:dateTime!afof文档