在浏览网页时教师们会发现有些Flash动画的内容非常精美,其中的图像、声音、按钮及影片剪辑等组件可作为自己制作课件的素材。但这些Flash文件往往是嵌入在网页中的,只能在浏览器中播放,不能像文字、图像那样方便地进行保存。即便能保存下来,也大多因这些文件进行了压缩等而不 While browsing the web, teachers will find that some Flash animations are very elaborate, with components such as images, sounds, buttons, and movie clips as their own materials for making courseware. However, these Flash files are often embedded in web pages, which can only be played in the browser and can not be stored conveniently as text or images. Even if it can be preserved, but also because most of these documents have been compressed instead