structural relations的用法和樣例：
例句
- This article studying isomerism data mainly aims at isomerism relations database.
本文研究的異構數據主要就是針對異構關係型資料庫。 - In the paper the elastoplastic constitutive relations of unidirectional fiber reinforced composite materials were modeled numerically.
本文對單向連續纖維增強複合材料的彈塑性本構關係進行了數值模擬。
