随着多媒体技术的大量使用，多媒体的使用效果也逐渐引起人们的思考，教学中学生出现了由新奇到倦怠，思考空间受限，知识量大但掌握不牢固的问题，教师在课件制作中难免遇到技术水平有限、资料获取难度大、时间紧负担重等问题，导致教学效果没有达到预期效果。本人结合多年来教学尝试，教学多媒体的设计能够达到老师易教、学生易学，易于改进调整，内容简洁、实用，最有效地辅助教学中突破重点、难度的目标，是其他教学手段所不能替代的。%With the wide application of multimedia technology, the effect of multimedia application has gradually raised people's reflections. In teaching, students are gradually tired of it and the space for their thinking is limited, but they have to learn a large amount of knowledge while they cannot grasp it firmly. When making courseware, teachers will inevitably encounter technolog-ical limitations, difficulties in obtaining materials, tight schedule and heavy burden, resulting in the failure to achieve the desired effect. Combined with many years' teaching attempt, the design of teaching media can help teachers teach easily and students learn at ease, and make improvements and adjustments more conve-nient. Besides, its contents are concise and practical, making it possible to effectively assist teachers' teaching and break through key and difficult points, so it has the optimal effect which cannot be replaced by other teaching means.
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