optimum number的用法和樣例：
例句
- The number of segments is automatically computed due to the inherent heuristic searching.
用啟髮式搜索方法自動獲取最佳分段數。 - In particular, there is an optimal well number corresponding to the lowest threshold current density for MQW structure in the microcavity lasers.
特別是在微腔多量子阱結構中存在一個最佳阱數對應著閾值電流密度的最小值。
