It is also proved that the relative positional accuracy is exactly keeping with the given covariance datum.
本文还推证了由此得出的相对点位精度正是在所设定的协方差基准下给出的，并有算例加以验证。
The better moving stability, the higher positional accuracy and the 5-axis machining of the proposed machine tool have been proved by the experiment.
加工试验表明，该机床具有良好的运动稳定性和较高的位置精度，可实现5坐标加工。
To analyze positional accuracy of geographical lines in GIS, this paper begins with a discussion on the representation and positional errors of linear features.
为了分析GIS图上地理曲线的定位精度，首先探讨地理曲线的表达与定位误差，区分“数字曲线”和“连续曲线”两个概念；
To analyze positional accuracy of geographical lines in GIS, this paper begins with a discussion on the representation and positional errors of linear features.
为了分析GIS图上地理曲线的定位精度，首先探讨地理曲线的表达与定位误差，区分“数字曲线”和“连续曲线”两个概念；
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