<?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>几何 on Blog</title><link>https://icelemon.top/tags/%E5%87%A0%E4%BD%95/</link><description>Recent content in 几何 on Blog</description><generator>Hugo</generator><language>zh-CN</language><lastBuildDate>Tue, 27 Oct 2026 23:20:00 +0800</lastBuildDate><atom:link href="https://icelemon.top/tags/%E5%87%A0%E4%BD%95/index.xml" rel="self" type="application/rss+xml"/><item><title>同一根轴上的火车轮，为什么能走过长短不同的弯道</title><link>https://icelemon.top/knowledge/why-train-wheels-have-tapered-treads/</link><pubDate>Tue, 27 Oct 2026 23:20:00 +0800</pubDate><guid>https://icelemon.top/knowledge/why-train-wheels-have-tapered-treads/</guid><description>两个车轮转得一样快，接触钢轨的位置却可以改变；看懂踏面、滚动半径、轮缘与道岔的分工。</description></item><item><title>GPS 怎样靠“几点收到信号”，算出你在哪里</title><link>https://icelemon.top/knowledge/gps-measures-time-to-find-position/</link><pubDate>Tue, 27 Oct 2026 10:32:00 +0800</pubDate><guid>https://icelemon.top/knowledge/gps-measures-time-to-find-position/</guid><description>从三面旗帜的距离，到卫星信号的传播时间，再看第四颗卫星怎样帮助求出接收机钟差。</description></item></channel></rss>