This paper studies semi online parallel machine scheduling problems.
本文主要考虑平行机半在线排序问题。
In the first we introduce basic notions of scheduling problems, competitive analysis and approximation algorithm, summarize semi online models and their results which appear in recent years.
本文首先简要介绍了排序问题、竞争比分析和近似算法等基本概念,总结了近年来出现的各个半在线模型及其有关结果。
Each gas manifold shall be constructed to provide semi-automatic switch over from in-use cylinders to online backup cylinders.
使用的气瓶和备用气瓶之间有一个半自动调节阀来控制。
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