The promotion effect of lanthanide-dop-ant was briefly discussed. 作者主要討論了摻雜的鑭系元素的促進效應。
A social facilitation effect is maintained, and a social loafing effect can be avoided, when there is a culture that supports teamwork. 當存在一個支持合作的文化時，社會促進效應就會維持，社會虛度效應能夠避免。
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