制作多媒体媒体的第一步是根据教学目标和教材进行规划和选择。选择主题的主

制作多媒体媒体的第一步是根据教学目标和教材进行规划和选择。选择主题的主要目的是明确防护罩设计的范围。在选择主题时，作者应该理解和分析牛仔的对象，如认知能力、年龄等。此外，生产者应该了解牛仔的运行地点和教学目标，并在考虑了所有相关因素后开始制作牛仔服。为了进一步提高教学效率，实现教学目标，我们应该设计尽可能多的方案，然后从中选择最好的方案。

The first step in making multimedia media is to plan and select according to teaching objectives and teaching materials. The main purpose of selecting the protective cover is to clarify the scope of the design. When choosing the theme, the author should understand and analyze the object of cowboy, such as cognitive ability, age and so on. In addition, producers should understand the operation location and teaching objectives of jeans, and start making jeans after considering all relevant factors. In order to further improve teaching efficiency and achieve teaching objectives, we should design as many schemes as possible, and then choose the best scheme.

The first step in making multimedia media is planning and selecting according to teaching objectives and teaching materials. The main purpose of the theme selection is to define the scope of protective cover design. When choosing a theme, the author should understand and analyze the objects of cowboys, such as cognitive ability, age, etc. In addition, producers should know the running location and teaching objectives of jeans, and start making jeans after considering all relevant factors. In order to further improve the teaching efficiency and achieve the teaching goal, we should design as many schemes as possible, and then choose the best one.