Last, but not least, remember that the promise of new standards like HTML 4.01 and XHTML 1.0 and 1.1 separates content (the data in your page) from presentation and style (usually applied by CSS).
最后但同样重要的一点是，记住，新标准(比如html 4.01与XHTML 1.0和1.1)承诺将内容(页面中的数据)与表示和样式(通常由CSS应用)分离。
There are some mature standards studies about learning object meta-data, content packaging, ect.
当前已有学习对象元数据的规范、内容包装规范等研究得相对成熟。
There are some mature standards studies about learning object meta-data, content packaging, ect.
当前已有学习对象元数据的规范、内容包装规范等研究得相对成熟。
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