positional accuracy

In this paper, a film concentric circle method for measuring the mechanical isocentre positional accuracy is introduced.

本文介绍一种测量X刀系统机械等中心定位精度的方法，即胶片同心圆法。

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Before such correction, the dose deviation caused by the target positional error may exceed the clinical tolerance. In order to guarantee the accuracy of dose delivery, IMRT treatment quality should be assured based on on-board image guidance.

未经修正时靶区位移误差导致的剂量分布误差可能超出临床允许范围，调强放疗应以在线图像引导验证基础上进行才能保证剂量分布精度。

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The absolute zero point method to improve the positional accuracy for PDs microdensitometer coordinate system& system software

提高PDS坐标系统测位精度的固定零点法&系统软件的改进

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Control of Positional Accuracy for Keyways in Crankshaft Timing Gear Journals

曲轴齿轮轴颈键槽位置精度控制方法

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Load carrying ability , for example, is subordinate to positional accuracy and low friction considerations.

比如说它的承载能力, 必须要正确的安装和低的摩擦条件.

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This arithmetic can meet the need of positional accuracy of on-vehicle GPS navigation and real-time supervision.

此算法可满足超小型无人机机载GPS导航和实时监控系统的精度要求。

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This paper presents the charactristics of the location-datum and the direction-datum in order to make the definition of the relative positional accuracy clearer.

本文表述了协方差参考系中位置基准和方位基准的特性，藉此而定义的相对点位精度概念更为清楚明了。

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