output feedback problem的用法和样例：
例句
- In this paper, the problem is studied and a solution is put forward from the point of view of the transference function.
从传递函数的角度分析了管道有源消声的次源声反馈问题，并提出了解决上述问题的方法。 - As a further element of your active participation in this class, you will often be asked to spend a minute responding to a short feedback question at the end of the lecture.
作为积极参与本课程的促进因素，你会经常在讲课结束的时候花少许时间回答一个简短的反馈问题。
