optimum reflux

例句：

1. 1. The design of the new hospital has been optimized for efficiency.
   新医院的设计方案已经优化以提高效率。
2. 2. The optimal reflux rate is determined by the chemical properties of the solvent.
   最优回流率由溶剂的化学性质决定。
3. 3.Optimal reflux can be achieved through careful monitoring and adjustment of the process parameters.
   通过仔细监控和调整工艺参数，可以实现最优回流。