inversion group

例句：

1. 1. The team's performance in the recent match was a significant inversion group.
   该队在最近比赛中的表现是一个重要的倒置组。
2. 2. The research group has made significant progress in their field.
   研究小组在他们的专业领域取得了显著进展。
3. 3.The inversion group of the circuit is crucial for the stability of the power system.
   电路的倒置组对于电力系统的稳定性至关重要。