{
  "node_id": "gml-e66e052f98274a60b0eb83273cd089e7",
  "keywords": [],
  "keywords_must": [["linux", "管道"],["linux","pipeline"]],
  "keywords_forbid": [],
  "children": [],
  "export": [
      "exercise_01.json",
      "exercise_02.json"
  ]
}