{
  "name": "三年级上册数学知识点汇总",
  "short_name": "三年级数学",
  "description": "根据人教版三年级上册数学教材编写，涵盖时、分、秒，万以内的加法和减法，测量，倍的认识，多位数乘一位数，长方形和正方形，分数的初步认识，数学广角九大章节。",
  "start_url": "./",
  "display": "standalone",
  "background_color": "#FAFAFA",
  "theme_color": "#FBBF24",
  "orientation": "portrait-primary",
  "icons": [
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      "src": "./icon-192.png",
      "sizes": "192x192",
      "type": "image/png",
      "purpose": "any maskable"
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  "categories": [
    "education",
    "books"
  ],
  "lang": "zh-CN",
  "dir": "ltr"
}