Table 2.

Summary of the fitted radii and distances values of the three-ball system. The errors between the fitted values and the standard values are also listed.

Position No.	Value Type	Radii (mm)			Distances (mm)
		A	B	C	AB	AC	BC
-	Standard Values	30.200	30.193	30.166	151.713	220.056	221.449
1	Measured Values	30.612	30.939	31.089	151.682	219.197	222.09
	Errors	0.412	0.746	0.923	−0.031	−0.859	0.641
2	Measured Values	29.968	30.461	30.631	150.699	218.179	220.716
	Errors	−0.232	0.268	0.465	−1.014	−1.877	−0.733
3	Measured Values	30.133	30.245	30.519	150.694	219.372	222.438
	Errors	−0.067	0.052	0.353	−1.019	−0.684	0.989