directional coupling

例句：

1. 1. The new design of the car has a directional coupling that makes it more efficient.
   这款新车的设计采用了定向耦合技术，使其更加高效。
2. 2.In the field of communication, directional coupling is crucial for transmitting signals accurately.
   在通信领域，定向耦合对于准确传输信号至关重要。
3. 3. The researchers found that the directional coupling between the two systems could be optimized to improve performance.
   研究人员发现，两个系统之间的定向耦合可以被优化以提高性能。