所谓成本效能（Cost Bene fit）是指企业通过成本耗费所形成的价值与所付出成本的比值来表达的单位成本效益，它是衡量成本使用效果的基本指标。
研究员乔纳森·库米是效能和云计算方面的行家，他认为集中化的云端计算具备固有的成本优势。
Researcher Jonathan Koomey, an expert on efficiency and cloud computing, argues that there are inherent cost advantages to centralized computing in the cloud.
发动机升级中具有的可靠性、高燃料利用率以及递增的作战效能转化成联合STARS递增的实用性和缩减的成本。
The reliability, fuel efficiency, and increased operational effectiveness inherent in the engine upgrade translates to increased Joint STARS availability to the warfighter and decreased costs.
今年太阳能发电经历了显著的进步，因为传统太阳能面板制造商不但降低了成本、提高了效能，而且实验室还推出了先进的面板原型。
Solar power saw significant advances this year, as conventional-solar-panel makers cuts costs and improved efficiency and laboratories rolled out advanced prototypes.
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