{
  "schema_version": 1,
  "data_kind": "synthetic-demo",
  "unit": "项",
  "source": "组件演示",
  "type": "pie",
  "title": "需求来源构成",
  "categories": [
    "教学",
    "科研",
    "管理"
  ],
  "series": [
    {
      "id": "requests",
      "name": "需求",
      "values": [
        40,
        35,
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      ]
    }
  ]
}