- 1. System-defined control information that precedes user data.; 位于用戶數(shù)據(jù)之前由系統(tǒng)定義的控制信息。 2. That portion of a message that contains control information for the message such as one or more destination fields, the name of the originating station, an input sequence number, a character string indicating the type of message, and a priority level for the message. | 在通信中,報(bào)文中包含報(bào)文控制信息的部分,如一個(gè)或多個(gè)收報(bào)方字段、發(fā)報(bào)站名、輸入序號(hào)、說明報(bào)文類型的字符串 以及報(bào)文的優(yōu)先級(jí)。 3. Text that appears at the top of the printed pages of a document, for example, the subject of the document. | 出現(xiàn)在一個(gè)文件打印紙頂部的文字,例如文件的標(biāo)題。參閱block control header, transmission header。
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