Then avoid the surge vibration of the major axis manufacture.

加工细长轴时，工件易产生自激振动。

A prolate spheroid is generated by revolving an ellipse about its major axis.

扁长球体是将一个椭圆体依其主轴旋转而成的。

Then, based on the generalized method, a modified method using adjusted semi major axis is presented.

提出了一种长半轴加修正的队形设计新方法。

Azimuth, in Ellipsometry - the Angle measured between the plane of incidence and the major axis of the ellipse.

椭圆方位角-测量入射面和主晶轴之间的角度。

When the disc is in the open position, the seal major axis is greater then the disc diameter and they do not touch.

阀盘处于打开位置时，密封件长轴大于阀盘直径，且相互不接触。