通过分析阶梯形零件切削速度与加工成本的关系，从而推导出阶梯形零件切削速度的选择原则。

This paper lead to the principle of choose of cut ting speed for ladder machine parts by explaining the relation of cutting speed for ladder machine parts and cost.

这座房子的独特之处在于阶梯形的屋顶。

The house is unusual for its roof in the shape of stairs.

通过闭环反馈及PID算法实现了焊机的双阶梯形外特性。

The double steps external characteristic of the welding rectifier is realized by closed loop feedback and PID arithmetic.

榆林科技馆球壳为单层球面网壳，由于建筑门洞以及造型的要求，球壳外表面不对称，球壳的支座呈阶梯形布置。

The shell in Yulin Science and Technology Museum is a single-layer reticulated spherical shell, and the outer surface of spherical is unsymmetrical for the building openings and the shape.