symmetric Markov process

例句：

1. 1.The two sides of the table are symmetrical.
   桌子的两边是对称的。
2. 2.The room is designed to be symmetrical and harmonious.
   房间设计成对称和和谐的。
3. 3. The symmetry of the design is striking.
   设计的对称性很引人注目。