knee point

• 曲线弯曲点,拐点

knee point的用法和样例：

例句

1. This is an important policy signal, but also real estate policy inflection point.
   这是一条重要的政策信号，也是房地产的政策拐点。
2. The preceding example shows that the columns have a point of inflection within the height of each storey.
   前面例题说明在每一层楼的高度内诸柱有一拐点。