在信息技术与教育教学深度融合的时代背景下，线上线下混合式翻转教学已成为教学的常态。线上线下混合式翻转教学实效性的关键要素主要包括：多重融合的课程资源、学生线上自主自觉学习-线下师生共同探讨的教学共鸣、全程考核-动态诊改的教学质量监控。实践中，线上线下混合式翻转教学在设计、运行、监控上存在着影响质效提升的诸多问题。“环境资源法”线上线下混合式课程探索融合、共鸣、诊改的教学设计、运行和质量监控模式，有效保证了该课程的教学质量。

In the context of the deep integration of information technology and education, online and offline hybrid flipped teaching has become the norm. The key elements for the effectiveness of online and offline hybrid flipped teaching mainly include: multiple integrated curriculum resources, teaching resonance of students' online independent learning—offline discussion between teachers and students, teaching quality monitoring by the wholeprocess assessment and dynamic adjustment. In practice, online and offline hybrid flipped teaching has problems in its design, operation and monitoring, which affect its improvement of quality and efficiency. The teaching design, operation and quality monitoring of the "Environmental Resources Law" online and offline hybrid course are integrated, resonant, and modified, which can ensure the teaching quality of the course.