positional error的例句大全

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。

a method by combining the measured radial data performed on the three orthogonal panes in the machine work zone with the volumetric error models to identifying parametric errors such as positional, straightness, angular, squareness, and backlash errors is given in detail.

给出了在机床工作空间中三个互相垂直的平面内，用球杆仪测量圆周运动的半径误差结合机床的空间误差模型识别定位、直线度、角度、垂直度和反向间隙等误差参数的方法。