费密年龄理论 Fermi age theory
其基本假定是中子慢化过程连续和中子空间输运过程可用扩散理论处理的中子慢化理论。
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
Juvenile delinquency ___________criminal acts committed by children or teenagers, specifically anyone below the age of eighteen.
美国心理学家维克多•弗罗姆(Victor Vroom)1964年提出了期望理论(expectancy theory)。弗罗姆认为,员工的动机依赖于三个关键变量()
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