一般在参考点之前为负，参考点之后为正，那么这和我们讲的有什么关系呢？
Typically it's negative what you are before the reference point, and positive afterwards. So, now, how does it relate to the things we've seen there?
借助于分离参考点的位置坐标，通过改变叶片形状系数，能有效地使分离参考点移向叶片出口端。
Having the aid of position coordinate of reference separation point, the point can be moved to outlet of vane by changing coefficient of vane shape.
对机床回参考点进行了研究，分析了各种机床回参考点形式，并介绍实现高精度回参考点的方法。
The machine tool's return reference point is studied, various machine tool's return reference point forms are analyzed and the method for achieving high precision return reference point is presented.
针对数控机床回参考点过程中各种形式的故障进行分析、诊断及总结，给数控机床回参考点过程中的故障排除提供参考。
Multiform faults that occur in the process of returning to the reference point in NC machine tool was analyzed, diagnosed and concluded, and provide a reference for excluding the faults.
运用医学影像软体进行测量，以三维的观念测量各个参考点，并找出参考轴之间的关系与各参考点到关节面的距离，以建立国人膝关节参考点资料库。
We input the MRI data to the medical image software and use 3d concept to measure several bony landmarks to find the relationship of those bony landmarks.
运用医学影像软体进行测量，以三维的观念测量各个参考点，并找出参考轴之间的关系与各参考点到关节面的距离，以建立国人膝关节参考点资料库。
We input the MRI data to the medical image software and use 3d concept to measure several bony landmarks to find the relationship of those bony landmarks.
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