most desirable possible under a restriction expressed or implied;
发音
例句
1. What is the optimal mix of private and public property rights in natural resources? 私人和国家的自然资源产权的最适宜的组合是什么? 2. Optimal path planning is a key link for the sailing contest. 帆船最优行驶路径规划是帆船比赛取胜的关键环节。