{
  "source_ids": [
    "slide1/2",
    "slide1/3/4",
    "slide1/3/5/6",
    "slide2/2",
    "slide2/3/4",
    "slide2/3/5/6"
  ],
  "summary": "本文档包含了第一课和第二课的安全步骤及断电注意事项。"
}