先行组织者 meaning in Chinese

advance organizers
preorganizer

Finally , at the base of these research , aiming at characteristics of views about chemical substance , we think that the teaching strategy that is used to cultivate students " views about chemical substance , should follow five principles , which are respectively expansibility , integrating straightly explain and effect , paying attention to chemical experimentation , influence from scientific logic thinking and scientific methods , enhancing relations inside and outside of chemistry . four kinds of effective teaching strategy could promote the development of students " views about chemical substance in class
最后，在前面工作基础上，针对化学物质观的特点，认为培养学生化学物质观教学策略应遵循发展性、直接讲解与间接渗透相结合、注重运用化学实验教学、科学逻辑思维和科学方法的渗透以及加强化学学科内外综合的联系等五项原则，可以运用直接教学策略、先行组织者教学策略、自然科学方法论教学策略和培养对化学物质观认知的教学策略等在课堂上促进学生化学物质观的发展。