rotation symmetry

例句：

1. 1. The crystal structure of the material is characterized by its rotational symmetry.
   这种材料的晶体结构以其旋转对称性而著称。
2. 2.In physics, rotational symmetry is a key concept in understanding the behavior of materials under stress.
   在物理学中，旋转对称性是理解材料在应力下行为的关键概念。
3. 3.The symmetry of the figure is such that it can be rotated to reveal different parts of the image.
   这个图形的对称性使得它能够旋转以揭示图像的不同部分。