symmetric bilinear form

例句：

1. 1. The symmetry of the figure is strikingly apparent in this painting.
   这幅画中人物的对称之美令人印象深刻。
2. 2.In physics, symmetry is a fundamental principle that governs the behavior of systems.
   在物理学中，对称性是支配系统行为的基本原理。
3. 3. The symmetry of the design makes it easy to use and understand.
   设计的对称性使得使用和理解起来都很方便。