However, during checking of the total axial run-out. deviation, the positions of the dial indicator are along a guiding (straight) line perpendicular to the datum axis A (see 18.7.8.3).

然而，在检查全轴向跳动时，百分表的位置是沿着垂直于基准轴线A的（直）引导线（见18.7.8.3）。

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Projection pursuit (PP), improving genetic algorithm (IGA) and vector are used as a chief means of evaluating indicator and analyzing datum for the first time.

在层次分析法中又引入了向量概念来解决判断矩阵不具有满意的一致性时的修正问题；

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