有效教学设计是实现有效教学的前提和保证。
A prerequisite for effective teaching must be an effective instructional design.
教学实践表明，本研究所提出的教学行为设计策略可以有效地指导教师调整和修正无效的电磁学规律教学行为。
The teaching practice prove the strategies for teaching design put forward in this study is effective to direct teachers to correct ineffective Electromagnetism Law teaching behavior.
尝试可以改进教学的自己的资料，有效地设计、创造、和运用新颖的资料。
Experiment with and use own materials which improve on available items. Design, produce and use novel materials effectively.
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