inhomogeneous Lorentz group

例句：

1. 1. The soil is inhomogeneous, making it difficult to growcrops.
   土壤不均匀，难以种植作物。
2. 2.The chemical reaction is inhomogeneous, requiring special care during the experiment.
   化学反应不均匀，实验过程中需要特别注意。
3. 3. Thedistribution of minerals in the earth'scrust is inhomogeneous, affectingthe Earth's magnetic field.
   地球地壳中矿物质的分布是不均匀的，影响地球磁场。