{
  "主题": "关闭展项时先停片还是先断电：怎样画依赖关系并验证",
  "证据类型": "编辑构造的合成样例；不是设备实测",
  "演示输入": {
    "edges": [
      [
        "stop_save",
        "exit_player"
      ],
      [
        "power_off_request",
        "standby_confirmed"
      ],
      [
        "standby_confirmed",
        "cooling_policy_met"
      ],
      [
        "exit_player",
        "cut_power"
      ],
      [
        "cooling_policy_met",
        "cut_power"
      ]
    ],
    "case": {
      "exit_player": true,
      "cooling_policy_met": false
    },
    "expected_cut_power": false
  },
  "现场空白记录": {
    "回路": "",
    "设备型号": "",
    "手册页码": "",
    "前置证据": "",
    "最长等待": "",
    "人工接管": "",
    "允许切电": ""
  }
}