As early as 1965, the USAF had begun concept formulation studies of new high-performance fighters.

最早在1965年，美国空军开始了系统化研究新的高性战斗机。

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This involves superior performance in problem solving, which is cognitively demanding, including abstract thinking skills, higher concept formation skills and creative hypothesis formulation.

这涉及了在需要认知能力来解决问题的优良表现，包括抽象思维技巧，更高的概念形成技巧和创意制定。

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Based on the analysis of formulation approaches of total air pollutant emission control plan, a determination method was developed using area pollutant emission equimolar concept.

在分析现有的大气污染总量控制方案的制定方法的基础上，本文提出了区域排放当量概念及相应的大气污染物总量控制方法。

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But six physicists - including Higgs - are now generally credited with the formulation of the concept.

BBC: Peter Higgs: honour for physicist who proposed particle