coupling of circuits

例句：

1. 1.The two systems are tightly coupled, meaning they work together seamlessly.
   这两个系统紧密相连，意味着它们协同工作得非常好。
2. 2. The researchers found that the coupling between the two variables was strong.
   研究人员发现这两个变量之间的关联非常强。
3. 3.In this model, the coupling of different elements is crucial for its performance.
   在这个模型中，不同元素的耦合对性能至关重要。