Actual problems, as they present themselves to the decision-maker, are always concerned with relative efficiencies, and no measure of absolute efficiency is needed.
现实问题，就像是它们呈现在决策制定者面前的那样，总是与相对效率有关，而并不需要对绝对效率的度量。
As far as the removal of small inclusions is concerned, the AC magnetic method is a favorable one because its removal efficiency has less dependence upon the particle size.
就小尺寸夹杂物的分离而言，交变磁场法相对较好，因为其去除效率对颗粒尺寸的依赖性较小。
As a new domain in the computer application, embedded Real-time operation system is widely concerned by its concision and efficiency.
嵌入式实时系统作为计算机应用的一个崭新领域，以其简洁、高效等特点越来越多地受到人们的广泛关注。
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