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单词 Precision Polygon
释义

Precision Polygon

英语百科

Precision polygon

Precision polygons are basic standards for angle measurement, which are used and calibrated by the national standards laboratories in particular.

Multifaced polygons are used for calibration of rotary tables and dividing heads. Any number of faces can be produced.

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更新时间:2025/6/17 12:25:41