1 . 包
...ataUnit)物理層的PDU是(bit),數(shù)據(jù)鏈路層的PDU是數(shù)據(jù)幀(frame),網(wǎng)絡(luò)層的PDU是數(shù)據(jù)包(packet),傳輸層的PDU是數(shù)據(jù)段(segment),其他更高層次的PDU是數(shù)據(jù)(data)。
2 . 束
(即block)大致平行排列,這些大致平行排列的馬氏體block組成一個(gè)束(packet),板條間呈白亮色的組織為殘余奧氏體.隨淬火溫度的升高,馬氏體板條block寬度變寬,從.
3 . 小包
...說(shuō)明書(shū),作業(yè)維護(hù)說(shuō)明 operational maintenance instruction,OMI分封,訊息包,封包,小包,包,數(shù)據(jù)包,程序包 packet量,(定)額,數(shù)(目),參數(shù),值,數(shù)量,大量 quantity.
4 . 分組
...然后逐塊地發(fā)動(dòng),這種小塊就稱作分組(packet)。2應(yīng)用計(jì)算機(jī)網(wǎng)絡(luò)常稱作分組網(wǎng)絡(luò)(packetnetwork).