此处需要能够自动识别 RDFa 内容是否存在并从中提取 RDF。
There needs to be an automatic method to recognize the presence of RDFa content and extract the RDF out of it.
自动调制识别的目的就是在未知调制信息内容的前提下，判断出通信信号的调制方式，并估计出相应的调制参数。
The objective of automatic modulation identification is to decide the modulation type and estimate the modulation parameters without any priori knowledge about the signal information content.
而YouTomb网站指出另一现象：YouTube自动识别的侵犯版权的内容，实际上并非都有所侵犯。
Another phenomenon the site highlights: brainless automated copyright flags on material that isn't actually an infringement at all.
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