学龄前儿童 http://data.library.sh.cn/vocab/maudience/pre an entity of type: Concept rdfs:comment 22 rdfs:label pre-primary, ages 0-5 学龄前儿童 学龄前儿童 rdf:type skos:Concept bf:IntendedAudience skos:exactMatch <http://id.loc.gov/vocabulary/maudience/pre> data from the linked data cloud