Unverified50% confidenceFactExact time
ANC技术自1950年代由劳伦斯·约翰·福勒提出概念雏形
1
Sources
50%
Confidence
Long-term
Relevance
7/8/2026
First Seen
Sources
Anker Soundcore Sleep A20睡眠耳塞降至99美元历史低价
rss7/7/2026
Related Claims
Cite This Claim
Stable URI
https://kongchang.com/claim/276138API
curl https://kongchang.com/api/v1/knowledge/claims/276138MCP
get_claim(id=276138)