[計(jì)] 數(shù)據(jù)元素描述符 ded data element descriptor: 數(shù)據(jù)元素描述符element descriptor: 元素描述符data descriptor: 數(shù)據(jù)描述符descriptor queue element: 描述符佇列元素format element descriptor: 格式要素說明符下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯