symmetric determinant

例句：

1. 1.The two sides of the table are symmetrical.
   桌子的两边是对称的。
2. 2.The design is symmetrical, making it easy to read.
   设计对称，易于阅读。
3. 3. The new model car has a symmetrical front and rear.
   新款汽车的前脸和后脸是对称的。