导论简要论述选题宗旨和依据，研究意义和目的，研究概况及研究方法等内容。
The Introduction briefly discussed the topics purpose and basis, research meaning and purpose, research survey and methods.
引言部分阐明了选题的依据、我国科教节目的现状及存在的问题、相关问题研究现状、以及本文研究的意义。
The first one"summary"is to talk about the research area and then briefly introduce the science program's development, actuality and existing problems.
绪论部分，阐释了本文选题及意义，主要研究内容，前人研究概况及所依据的文献资料。
Introduction of topics and explain the significance of this paper, the main contents of his predecessors Research and is based on the documentation.
第一部分：引言，阐述了选题依据及研究意义，并介绍了国内外研究现状。
Part1: Exordium, expound the topic basis and significance, and discuss the current research situation at home and abroad.
第一部分：引言，阐述了选题依据及研究意义，并介绍了国内外研究现状。
Part1: Exordium, expound the topic basis and significance, and discuss the current research situation at home and abroad.
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