You can check the edition number in the copyright page.
您可以在版权页上查到版次。
About: Launches a page that contains an image with the product name and copyright information.
About：启用一个包含了具有产品名和版权信息的图像的页面。
As a result, the company put a copyright notice at the bottom of the page.
结果是，公司把版权公告放在页面底部。
Include a copyright statement at the bottom of each page.
网页底部包含版权信息。
Include a copyright statement at the bottom of each page.
网页底部包含版权信息。
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