1) outer circumference
外圆周长
2) circle girth
圆周长
1.
The measuring principle for geometries of soft rods was investigated,and a novel precise measuring method for circle girth and roundness of cigarette filter tips based on sub-pixel image measurement was proposed.
研究了柔软棒材几何形状的测量原理,提出一种基于亚像素图像测量技术的香烟滤棒圆周长和圆度误差精密检测方法。
4) pitch circumference
节圆周长
5) circumferential wavelength
圆周波长
补充资料:圆周
1.数学名词。在平面上,一动点以一定点为中心,一定长为距离而运动一周的轨迹,叫做圆周。简称圆。
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