本刊执行中华人民共和国新闻出版署颁布的《<中国学术期刊(光盘版)>检索与评价数据规范》,请广大作者按如下规范要求予以协作:■1.题名,作者及其工作单位: 中文题名一般不允许超过20个汉字,必要时可以加副标题,题名中应避免使用非公知公用的缩略语、字符、代号以及结构式和公式。题名下应 The magazine carries out the “China Academic Journals (CD)> Retrieval and Evaluation Data Specification” promulgated by the Press and Publication Administration of the People’s Republic of China, and invites the majority of authors to cooperate according to the following norms: ■ Title, author and their work units: Chinese Titles generally do not allow more than 20 Chinese characters, if necessary, can add subtitles, the title should avoid the use of non-public commonly used acronyms, characters, code, and structural formulas and formulas. The title should be