adaptive upwind FEM的用法和样例：
- Numerical results for example problems show that these techniques are effective to solve convection-dominated problems, and the adaptive upwind meshless technique is the most effective method of all.
- The author is going to adapt his play for television.
- One should adapt oneself to the changed conditions.
- If we're upwind of the animal it may smell our scent.
- Mary has to come about since she is sailing upwind.