<?xml version="1.0" encoding="UTF-8"?>
<!--
  ElecSimHub · public/sitemap.xml —— 由 scripts/gen_sitemap.py 生成（勿手改）
  由 git 追踪；`npm run build` 的 prebuild 钩子会先跑生成器，静态文件不会静默过期。
  ★ 2026-10-01 U-A-ML（甲案：逐语言预渲染 /{lang}/ + 分批声明）：
     声明集合 = src/lib/i18n/locales.batch.json 里 status='advertised' 的语言
     （本轮 en, es, zh）—— **未声明语言一个字节都不进本文件**，
     因为它们的 /<lang>/ 目录尚未构建，写进来就是指向不存在目录的 404。
     alternate URL 与 src/lib/i18n/locale-routes.ts 的 localeUrl() 逐字同口径：
       默认语言 en → https://elecsimhub.com<path>；其余已声明语言 → https://elecsimhub.com/<code><path>
     （2026-10-01 A138 曾按「单 en + ?lang=」回撤成查询式；甲案恢复路径前缀式。）

  口径：
   · 每个页面一条 loc 记录 = **规范地址**（默认语言 URL，与页面 link rel=canonical 同一值）
   · 每个**已声明**语言一条 xhtml:link alternate（真源：locales.batch.json 的 advertised 批；
     语言全集在 src/lib/i18n/types.ts 的 LOCALES；域名在 src/lib/site-config.ts 的 SITE_URL）
   · 路由由脚本扫描 src/app/**/page.tsx 自动发现；排除名单在脚本里，理由逐条写明
   · ★ 2026-10-02（R1·G7）：有穷、可静态枚举的动态路由（页面 generateStaticParams()
     从仓内数据派生的确定集合）由脚本的 EXPAND 表逐条展开收录 —— 本次 = 术语详情页 122 张
     （数据源 src/lib/data/glossary-data.json，与页面 generateStaticParams() 同源）
   · 规模：193 个页面 × （1 条 loc + 4 条 alternate）
   · <lastmod> = 生成当天（本文件随构建产物发布）
-->
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    <lastmod>2026-10-02</lastmod>
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    <lastmod>2026-10-02</lastmod>
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    <lastmod>2026-10-02</lastmod>
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    <lastmod>2026-10-02</lastmod>
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    <lastmod>2026-10-02</lastmod>
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    <lastmod>2026-10-02</lastmod>
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    <lastmod>2026-10-02</lastmod>
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    <lastmod>2026-10-02</lastmod>
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    <lastmod>2026-10-02</lastmod>
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    <lastmod>2026-10-02</lastmod>
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    <lastmod>2026-10-02</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="en" href="https://elecsimhub.com/loss-curve"/>
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    <lastmod>2026-10-02</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="en" href="https://elecsimhub.com/loss-efficiency"/>
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    <loc>https://elecsimhub.com/losses</loc>
    <lastmod>2026-10-02</lastmod>
    <changefreq>monthly</changefreq>
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