The key point in time

Nadal also identified the point, at a time when he said Murray was on top, as a key moment in the match.

纳达尔也记得这一分，记得在比赛中这重要的一分，他说在这分里穆雷是处于优势地位。

The key point realized in the book is that energy, not time, is the fundamental currency of production.

在书中我认识到关键一点是精力，而不是时间，是生产的基本货币。

Further, such analysis is cumulative, allowing the user to focus on items of interest at a specific point in time and then extending that analysis as needed to assess additional key relationships.

而且，这种分析是累积的，用户可以只关注特定时间特定位置的感兴趣的项，然后在必要时扩展分析，以评估其他的键关系。