This paper analysis NC machine tool perpendicularity error.

文章分析数控机床垂直度误差。

Exact perpendicularity between the components must be maintained.

各分量之间必须严格地保持互相垂直。

Good, the tower has been on its position, check its perpendicularity.

好了！该塔已就位了，检查一下它的垂直度。

The best process conditions were defined by method of perpendicularity designing.

最佳工艺条件确定采用正交设计法。

The internal waves can propagate along the level direction and the perpendicularity one.

内波不仅可以沿着水平方向传播，而且还具有垂向传播的特性。