<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>防伪 on Blog</title><link>https://icelemon.top/tags/%E9%98%B2%E4%BC%AA/</link><description>Recent content in 防伪 on Blog</description><generator>Hugo</generator><language>zh-CN</language><lastBuildDate>Tue, 27 Oct 2026 22:50:00 +0800</lastBuildDate><atom:link href="https://icelemon.top/tags/%E9%98%B2%E4%BC%AA/index.xml" rel="self" type="application/rss+xml"/><item><title>硬币边上的细纹，怎样让削边留下痕迹</title><link>https://icelemon.top/knowledge/why-coins-have-reeded-edges/</link><pubDate>Tue, 27 Oct 2026 22:50:00 +0800</pubDate><guid>https://icelemon.top/knowledge/why-coins-have-reeded-edges/</guid><description>从贵金属硬币被削去一圈，到边齿与边铭的出现，再分清牛顿的铸币工作与边齿的历史。</description></item></channel></rss>