{
  "主题": "不同型号投影机开机时间不同，怎样测出开馆等待条件",
  "证据类型": "编辑构造的合成样例；不是设备实测",
  "演示输入": {
    "synthetic": true,
    "runs": [
      {
        "model": "Demo-A",
        "request_s": 0,
        "power_on_s": 18,
        "visible_s": 23
      },
      {
        "model": "Demo-B",
        "request_s": 0,
        "power_on_s": 42,
        "visible_s": 49
      },
      {
        "model": "Demo-C",
        "request_s": 0,
        "power_on_s": 31,
        "visible_s": null
      }
    ],
    "all_ready": false
  },
  "现场空白记录": {
    "机型": "",
    "固件": "",
    "轮次": "",
    "冷热条件": "",
    "温度及来源": "",
    "待机模式": "",
    "请求时刻": "",
    "电源开时刻": "",
    "出画时刻": "",
    "异常": ""
  }
}