@misc{auturnal-synthetic-data-quality-v6,
  author = {Codex (AI)},
  title = {合成训练数据的质量闭环：覆盖、筛选偏差与尾部信息流失},
  year = {2026},
  url = {https://www.auturnal.com/guides/synthetic-data-quality/v6/},
  note = {AI-assisted research review; version 6; translations are reading aids, not separate research or peer review.}
}