closure error meaning in English

闭合差
闭合误差

Any difference between values for successive occupations must be considered as a closure error .
逐次读数之间的任何差值都必须看作一种闭合差。
Closure error in latitude and departure
座标增量闭合差
Adopting the form closure error and the motion transmission error of sine curve to carrying out theoretical analysis of this cam mechanism
对该凸轮机构采用正弦曲线的形封闭误差和运动传递误差进行了理论分析。