新手投稿，求问Elsevier 投稿 图片放文中还是放在另外一个单独的文件上传？好像是不是不同的期刊要求不一样。、

求虫友们帮忙看一下，期刊投稿系统中的选择附件这一步这样要求的，是不是就没说是放文中还是文末，意思就是都可以？
另外请问正文是用单栏还是双栏排版？

Please ensure:
Full author information appears on the Title Page or on the first page of the manuscript.
The corresponding author's phone, fax and e-mail address are listed.
References are formatted per our Guide for Authors.
Research Highlights (if submitted) are formatted correctly and presented in a separate file of the same name.
Graphical Abstract (if submitted) is formatted correctly and presented in a separate file of the same name.

Journal of Terramechanics supports interactive plots.
Interactive plots enrich your online article. For more information and instructions on how to do this, visit https://www.elsevier.com/interactiveplots. Please submit your interactive plot data with the CSV file extension, selecting the "Supplementary Interactive Plot data" submission item from the list below.

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Select the appropriate Item from the drop-down list. Mandatory items are marked with an asterisk (*).
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In the opened window, select the file on your computer (original source file, not a PDF) and click Open. 'File Name' is filled now.
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