铭印现象就是印随行为详见http://baike.baidu.com/link?url=Ngp35i7Zi56Iox-O9mQ40e3MNbzV5SXQanNiPEKYcIknj93yfaN44ajkdWW-IzgCNz4qH3a2yt4jBkqBOZ8iDq
