File type filtering is currently not supported by all browsers. But we fill the HTML 5 accept attribute so once the support is there it will work.
文件类型过滤是目前所有的浏览器都不支持。但是我们设置了HTML5接受属性所以一旦浏览器支持，它就会工作。
Because the HTML page contains rich information, the traditional TFIDF formula is difficult to meet the requirements of content filtering systems.
网页包含的信息很丰富，传统的TFIDF公式很难满足内容过滤系统的要求。
Because the HTML page contains rich information, the traditional TFIDF formula is difficult to meet the requirements of content filtering systems.
网页包含的信息很丰富，传统的TFIDF公式很难满足内容过滤系统的要求。
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