[KongchangAI]
Unverified88% confidenceDecision RuleTime unknown

投射比决定摆放距离:普通长焦机1.2:1需约3米投100寸,空间小于3米进深应选0.25:1超短焦(激光电视),但超短焦对幕布平整度和地面高度极敏感

1
Sources
88%
Confidence
Long-term
Relevance
-
First Seen

Sources

Related Entities

Related Claims

Cite This Claim

Stable URI
https://kongchang.com/claim/180675
API
curl https://kongchang.com/api/v1/knowledge/claims/180675
MCP
get_claim(id=180675)