Unverified50% confidenceFactExact time
工业级光学编码器(如 Heidenhain、Renishaw 等品牌)精度可达 ±1 角秒(约 0.0003 度),价格往往在数百至数千美元
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
8/12/2026
First Seen
Valid until: 11/10/2026
Sources
Related Claims
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