When dropped, the resource is added to the appropriate resource category based on its file name extension.
在放入时，资源便会根据其副档名而加入至适当的资源分类。
The site is well-organized and a wonderful resource for any level of expertise. There's a category for beginners, browser bugs, and short reviews of CSS books.
该网站授予良好的网页组及优秀的资源，适用于各个水平的开发人员，分类包括：初学者，浏览器解析的错误，简评CSS的书籍。
The answer here is to use the drilldown resource for the data category you are interested in.
这里的答案是对您感兴趣的数据类别使用钻取(drilldown)资源。
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