随著负面宣传和对于荒谬专利的抱怨不断发生，美国专利局应该已经著手改进了。
The U. s. Patent Office may have been stung into action by recent negative publicity and complaints about ludicrous patents.
随著负面宣传和对于荒谬专利的抱怨不断发生，美国专利局应该已经著手改进了。
The U. s. Patent Office may have been stung into action by recent negative publicity and complaints about ludicrous patents.
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