[KongchangAI]
Unverified83% confidenceDecision RuleTime unknown

任何检测仪都需定期用标准物质(标样)校准,家用低价仪器往往不提供标样与溯源证书,读数无参考意义;采购时应确认是否附带校准功能和计量认证(如CMA/CNAS适用性)

1
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83%
Confidence
Long-term
Relevance
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Stable URI
https://kongchang.com/claim/388879
API
curl https://kongchang.com/api/v1/knowledge/claims/388879
MCP
get_claim(id=388879)