论文以关注现实为原则，其章节遵循发现问题、观察问题、分析问题与解决问题的科学研究的逻辑思路。
Focusing on the real situation, the structural arrangement of this work follows the following scientific logical order, problem observation, problem analysis, and the solution generation.
类比推理之所以在科学研究中能有这么重要的作用，主要是它本身的逻辑特征决定的。
There can be such important function in scientific research in analogy reasoning , which because its own logic characteristic determines.
从这类分析中，学生既可以巩固基本的遗传学知识，又可以学习在科学研究中如何运用逻辑推理。
Through this kind of analysis, the students can not only strengthen basic genetic knowledge but also learn how to apply logic reasoning to scientific research.
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