{
  "keywords": [
    "什么是OpenCV"
  ],
  "children": [
    {
      "OpenCV的起源": {
        "keywords": [
          "OpenCV的起源"
        ],
        "children": [],
        "node_id": "opencv-626bf6e70ba04d18b1147571c08d85bc",
        "title": "OpenCV的起源"
      }
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  ],
  "export": [
    "helloworld.json"
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  "node_id": "opencv-77f629e4593845b0bf97e74ca8ec95ae",
  "title": "OpenCV简介"
}