Relative positional error may have different meanings with the different new datum choosing.
随着新基准的不同选择，相对点位误差可有多种含义。
With full testing conditions, the positional errors and the diameter error results obtained by beth methods are consistent.
在保证测试条件的前提下，两种方法所求得的刻线位置误差及由它得到的直径误差结果趋于一致。
The utility model relates to a symmetrical characteristic detector for the axial key groove which can measure the positional error of the machine parts.
一种测量机械零件位置误差的轴键槽对称度检测仪。
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