vector invariant

例句：

1. 1. The vector invariant of the systemis a crucial factor in determining its stability.
   系统的向量不变式是决定其稳定性的关键因素。
2. 2. The researchers used vector invariantsto analyze the data.
   研究人员使用向量不变式来分析数据。
3. 3. The vector invariant methodhas been widely applied in various fields ofengineering and science.
   向量不变式方法在工程和科学的各个领域都有广泛应用。