1. This paper introduces three kinds of CNC turning method combined with practical example, concentric circle turning, center shifting turning and taper profile composition turning. 文章结合编程实例介绍了球弧数控车削三种常用的工艺方法，即车圆法、移圆法、车锥法。
2. In this paper, a class of turning point problem of nonlinear equation is considered. The location of turning point and the asymptotic behavior of shock solution are studied. 本文是讨论一类非线性方程的转向点问题。研究了转向点的所处位置，以及问题激波解的渐近性态。
3. Fast tool servo (FTS) is one of the key technologies in both non circular turning and non-axisymmetric turning fields. 快速刀具伺服机构（FTS）是非圆数控车削和非轴对称车削的一项共同的关键性技术。
4. A switch or a button represents [in/out] between turning on and turning off. While pushing the button, concavity and convexity, which illustrate the function "switch". 开关，述说的是使用与未使用间的出入，当开关按下的同时，「凹/凸」诚实的表达了「开/关」的功能性。
5. Turning and turning in the widening gyre. 在向外扩张的旋体上旋转呀旋转。
网络释义
lathe turning machine turning mill 车床;
turning inside out turning inside out 魂萦梦牵，魂萦梦牵;
彻底地翻出;
