linear group of isotropy

例句：

1. 1. The material is highly anisotropic, meaning it has different properties in different directions.
   这种材料非常各向异性，意味着在不同方向上有不同的性质。
2. 2.In a crystal, the atoms are arranged in an isotropic structure, which means they have the same properties in all directions.
   在晶体中，原子以各向同性结构排列，这意味着它们在所有方向上都有相同的性质。
3. 3. The fabric is made of threads that have an isotropic weave, meaning they all run in the same direction.
   这种织物是由具有各向同性编织的线制成的，意味着所有线都朝一个方向。