- A control block that defines the device characteristics, provides temporary storage, and contains links to other system control blocks for a particular terminal.; 一種控制塊,它定義設(shè)備特性參數(shù),提供臨時存儲區(qū)并含有該特定終端與其它系統(tǒng)控制塊的聯(lián)系。
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