first boundary value problem

例句：

1. 1. The first boundary value problem is to find the critical point of a function.
   第一个边界值问题是如何找到函数的临界点。
2. 2. In this problem, we need to solve the first boundary value problem.
   在这个问题上，我们需要解决第一边界值问题。
3. 3. The first boundary value problem is often solved using numerical methods.
   第一边界值问题通常使用数值方法来解决。