求翻译：教学方法一直是教学实践中最活跃的部分，其核心是提高教学质量，提高单位时间内的教学效率。教学方法改革是教学研究永恒的课题。启发式教学法是众多教育教学方法中进一步推进新一轮基础教育课程改革极为有效的方法。国家大力鼓励学校和教师采用启发式教学法提高教育教学质量。本文作者站在即将从事中学化学教学实践的角度，从理论上对启发式教学方法在初中化学中的应用进行了探讨。文章首先对启发式教学法的涵义，历史渊源、代表人物、原则、分类情况进行了介绍，然后根据其分类结合初中化学中相关章节的具体知识对其具体应用进行了的探讨。是什么意思？

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Methods of teaching has been a teaching practice, the most active part, the core of which is improving the quality of teaching and improve in time teaching efficiency. Changes in teaching methods, teaching and research of commercialism. Heuristic pedagogy is one of the many educational and teaching

Teaching method is the most active part in the teaching practice, the core of which is to improve the quality of teaching, improve the efficiency of teaching per unit of time. Research on teaching methods reform is teaching an eternal topic. Heuristic teaching method is one%2