In music, it refers to equalpitch intervals, one above the other.
在音乐,它是指平等的音高间隔,一个上面。
2
The new tooth surface can be prolonged by the normal profile of the internal toroidal surface, or replaced by an equalpitch helical surface.
其二为一种修整的线接触,展成的等螺距齿面与理论轨迹曲面沿某一空间曲线近似相切。
3
This paper presents a method for machining of taper cutting tools with equal helix Angle. The principle of the method is using taper helical curve with equalpitch to approach equal Angle one.