基于文本的查询技术是通过对图像资源中的标注文字建立索引，由用户输入关键字进行查询。
The former is implemented by creating index for the label text of image, and then the users can input keywords to search.
基于文本的查询技术是通过对图像资源中的标注文字建立索引，由用户输入关键字进行查询。
The former is implemented by creating index for the label text of image, and then the users can input keywords to search.
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