substratum correlation的用法和樣例：
例句
- The substratum correlation is one of the fundamental techniques in the reservoir geological model.
小層對比是儲層地質模型研究的基本問題之一，由於對比技術難度較大，目前仍由專家進行人工對比。 - Nowsubstratum correlation maps are made using manual drawing software such as CorelDraw in many oilfields.
小層對比是油藏描述中一項十分基礎且重要的工作。
