Cell Header A cell header precedes payload data (user information) in an ATM or SMDS cell. The header contains various control data specific to the cell switching protocol.是什么意思_Cell Header A cell header precedes payload data (user information) in an ATM or SMDS cell. The header contains various control data specific to the cell switching protocol.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句