摘要
CopyrightSubmissionofamanuscriptimplies:thattheworkdescribedhasnotbeenpublishedbefore(exceptintheformofanabstractoraspartofapub-lishedlecture,review,orthesis);thatitisnotunderconsiderationforpub-licationelsewhere;thatitspublicationhasbeenapprovedbyallco-authors,
出版日期
2007年01月11日(中国期刊网平台首次上网日期,不代表论文的发表时间)