functional units design的用法和樣例：
例句
- This paper deals with the question of information representation for spindle units by using the hierachical coding system.
使用分層編碼系統表達主軸部件的信息，用海明距離進行模糊決策以選擇較優的主軸部件設計方案。 - An example of an astronomic telescope key parts design process showed its feasibility.
以某天文望遠鏡的關鍵部件設計過程為例，說明了該方法的可行性和實用性。
