extremum problem

例句：

1. 1. The team faced an extremum problem when they ran out of fuel.
   当队伍耗尽燃料时，他们面临着一个极端的问题。
2. 2. The scientist solved the extremum problem by finding a new material that could withstand high temperatures.
   科学家通过找到一种能够承受高温的新材料解决了这个极端问题。
3. 3. The engineer had to face an extremum problem when he was asked to design a bridge that could withstand heavy winds and floods.
   工程师在被要求设计一座能够抵御狂风暴雨的桥梁时，不得不面对一个极端问题。