reversal point

Amazon's reversal last month over its latest Fire operating system proved the point.

上个月，亚马逊（Amazon）围绕其最新Fire操作系统的态度大转变便证明了这一点。

This paper discusses the nonconservation of parity in the weak interactions and explains this point by giving examples. It also discusses the problem of the violation of CP invariance in the decay of K0 mesons and that of the breakdown of the invariance under the time-reversal transformation.

本文首先讨论在弱相互作用中宇称不守恒问题，介绍若干个宇称违背的例子，进而讨论在K~o介于衰变中CP违背和时间反演不变性破坏的问题。

A case in point is your reversal of the formerly deteriorating relationship with France.

这方面的一个例子就是你扭转了过去同法国恶化的关系.

At that point, there is a sharp reversal, and people keep getting happier as they age.

在50岁那个点上会有一个急剧的逆转, 随着年龄的增长他们也越来越开心幸福.