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.

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.
随便看	invariance of differential forms Invariance of domain invariance of eigen value invariance of normal processes invariance of power invariance of reciprocal lattice invariance postulate Invariance principle invariance property invariance random field invariance requirement invariance invariance test Invariance theorem invariance theorem of dimension invariance theorem of dimensions invariance theorem of domain invariance thesis invarian equilibrium invariant invariant Abelian subgroup invariant amplitude invariant angular momentum invariant approach invariant assertion

Precision Polygon