绪论为研究对象和目的、研究方法以及先行研究。
The chapter one is the researching objects, ai ms, methods and pre-researching.
绪论主要对研究目的和意义、先行研究及研究方法进行了阐述。
The prodrome focuses on the purpose, significance, the former study and the study methods.
基于对理据的先行研究，作者在文中对理据的类型做出了分类。
Based on the previous studies on motivation, a classification of motivation is made.
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