求翻译：在数控加工领域，多轴加工是一种趋势，这就需要各轴向之间互相配合才能提高轮廓加工精度，因此插补算法是关键问题是什么意思？

In the field of CNC machining, multi-axis machining is a trend, which need to improve co-ordination between the various axial contour accuracy interpolation algorithm is a key issue

In CNC machining, multi-axis machining is a trend, and this will require the co-ordination between the shaft to improve contour machining precision interpolation algorithm, and therefore a key issue

In the numerical control processing domain, the multiple spindle processing is one tendency, this needs each axial between to coordinate to be able mutually to increase the outline processing precision, therefore the interpolation algorithm is the key question

In the area of CNC machining, multi-axis machining is a trend, this requires the mutual interaction between the axial can improve the contour machining precision, so interpolation is the key issue

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