任務(wù)單的用法和樣例：
例句
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從計算站記帳和操作系統控制的角度看，一個(gè)作業(yè)通常指一個(gè)外部指定的任務(wù)單位。一個(gè)作業(yè)包含一個(gè)或多個(gè)作業(yè)步。
An externally specified unit of work for the computing system from the stand- point of installation accounting and operating system control. A job consists of one or more job steps.
