This paper offers some views from four respects on how to optimize teaching results by using multimedia technology properly.

文章从四个方面就如何合理使用多媒体技术来优化教学效果谈了一些个人的观点。

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Only pay attention on the teaching and training of "the release speed" can optimize and promote the shot put results.

只有重视出手速度的教学与训练，才能优化提高掷铅球的成绩。

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