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单词 Airy points
释义

Airy points

英语百科

Airy points

Airy Points are used for precision measurement (metrology) to support a length standard in such a way as to minimise bending or droop. The points are symmetrically arranged around the centre of the length standard and are separated by a distance equal to

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更新时间:2025/6/20 6:07:18