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根据国家GB3179—90及国际标准(ISO)有关规定及建议,本刊自1990年第2期起,论文标题层次及参考文献书写格式做如下改变,请作者投稿时注意和遵循。 1 论文标题层次格式一级标题,1 ××××(序号顶格,占1行,标题前空1格,标题后无冒号); 二级标题,1.1 ××××(序号顶格,占1行,标题前空1格,标题后无冒号); 三级标题,1.1.1 ××××(序号顶格,标题前空1格,标题后无冒号,空1格接正文)。
According to the national GB3179-90 and the relevant provisions and recommendations of the International Standard (ISO), since the 2nd issue of the journal in 1990, the titles of the essay and the format of the reference documents have been changed as follows. Please pay attention and follow the author’s submission. 1 Title of the paper Hierarchy format A title, 1 ×××× (top of the serial number, accounting for 1 line, a space before the title, the title without a colon); two headings, 1.1 ×××× , The title before the space 1, the title without a colon); three titles, 1.1.1 × × × × (top of the title, the title before the space 1 grid, no colon after the title, empty 1 grid to the text).