However, since we are not even using an img tag, we can't set an Alt attribute, which is vital for mobile visitors, search engines, screen readers and the like.
虽此，因为我们甚至没使用一个img标签，我们不能设置alt属性，而这对移动用户、搜索引擎、屏幕阅读器之类的来说至关重要。
Many pages popping up on the Web were nothing but a collection of images, with an occasional Alt or title attribute thrown in on an img tag for good measure.
Web上弹出的许多页面只不过是一堆图像，它们带有一个出现在img标记上的随意的alt或title属性。
Of course other structural techniques, such as including Alt attributes in an IMG element to help explain the use of the image, should be used.
当然，还应该使用其他结构化技术，比如在IMG元素中包含al t属性以帮助解释图像的用途。
Provide a small description of image in Alt attribute of img tag.
企业提供一种小型的描述形象转氨酶属性img的标记。
Provide a small description of image in Alt attribute of img tag.
企业提供一种小型的描述形象转氨酶属性img的标记。
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