为了检测对特定的一个编解码的支持，可以向canplaytype函数传递一个识别字符串。

To check for support for a particular codec, you can pass an identifying string to the canPlayType function.

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针对字符串的特点，提出了基于旋转投影不变矩识别字符的方法。

Character strings are identified based on rotating projection without invariant moment.

youdao

针对字符串的特点，提出了基于旋转投影不变矩识别字符的方法。

Character strings are identified based on rotating projection without invariant moment.

youdao