双向的

例句：

1. 1. This system is designed for bidirectional communication.
   这个系统是为双向通信设计的。
2. 2. The traffic lights are set up for bidirectional traffic flow.
   交通灯是为双向交通流设置的。
3. 3. The new policy aims to promote bidirectional exchanges between the two countries.
   新政策旨在促进两国之间的双向交流。