coupled problem的用法和样例：
例句
- Since the electronic equipment is becoming more and more complex, it faces serious multifield coupling problems.
摘要由于组成复杂，现代电子设备正面临着日益严重的多场耦合问题。 - Because the stator consists of elastomer and piezoelectric ceramic, degree of freedom and physical field coupling problem need to be solved.
定子由弹性体和压电陶瓷两种材料组成，不仅存在自由度耦合问题，而且还存在不同物理场的耦合问题。
