Unverified50% confidenceFactExact time
寒蝉效应（Chilling Effect）最早由美国联邦最高法院大法官威廉·道格拉斯在1952年'威曼诉厄普德格拉夫案'中系统阐述
1
Sources
50%
Confidence
Long-term
Relevance
7/8/2026
First Seen
Sources
Related Claims
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