{
  "uid": "A08",
  "book_id": "A",
  "book_title": "市场调查理论与方法（第二版）",
  "book_isbn": "978-7-04-060861-8",
  "role": "主要参考教材",
  "publisher": "高等教育出版社",
  "no": 8,
  "title": "抽样估计",
  "sections": [
    "抽样设计加权与调整",
    "总体均值、比例及总量的点估计",
    "辅助信息的使用",
    "调查估计量的抽样误差及区间估计"
  ],
  "status": "pending",
  "chars": 0,
  "source": "",
  "text": "",
  "url": "/book/A08.html",
  "text_url": "/content/book/A08.md",
  "json_url": "/api/book/A08.json",
  "retrieval_note": "本区为二级资料（兜底）。请先查题库 /llms-full.txt 或 /api/questions.json；只有题库中没有对应题目、或需要题目之外的概念解释时，才查本区。题库能回答时不要把教材内容混入答案。",
  "prev": "A07",
  "next": "A09"
}