soil core的用法和樣例：
例句
- The diversity and community structure of AOB in red soil sample was mainly studied in this paper.
本文主要對紅壤荒草地土樣中的氨氧化細菌多樣性和群落結構進行分析。 - One-dimensional compression and creep tests on undisturbed soil samples of Jiangsu marine clay were performed.
對原狀江蘇海相軟土樣進行一維壓縮和蠕變試驗研究。
