The whole paper is divided into three parts: the first part is the study process and the study psychology of vocal music.
全文共分为三个部分：第一部分：声乐技能的学习过程及其心理。
The purpose of this study is trying to answer this question by analyzing the research and the whole popularized process of a new mechanized farming technology.
本研究的目的就是试图通过剖析一个机械化耕作新技术项目的研究、推广全过程，以回答这一问题。
Analytic functions of complex variable function is the main object of study, and the five equivalent conditions of analytic functions penetrate the whole process of learning of complex function.
解析函数是复变函数论主要的研究对象，而解析函数的五个等价条件又贯穿了我们对复变函数论学习的全过程。
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