optimal scheme的用法和樣例：
例句
- Aluminum alloy diecasting die design and optimal project of electrical wares box for lamps are introduced.
介紹了燈具電器箱鋁合金壓鑄模設計及優化方案。 - The origin of the unit vibration in small guide vane opening is analyzed when the unit is closing and the optimal scheme of the unit closing law is suggested.
本文擬對關機過程中導葉小開度振動原因進行分析，並對機組關閉規律的優化方案及實施過程進行介紹。
