classification of surrounding rock的用法和樣例：
例句
- Surrounding rocks classification plays a determinative role in the design and construction of tunnels.
摘要圍岩分類對於隧道設計和施工起著決定性的作用。 - On the basis of the past schemes, new classifications of pyroclasts and the petrographic as well as the petrogenetic classification of pyroclastic rocks are proposed in this paper.
中國學者提出的火山碎屑岩分類時間較早，有自己特色，在一定的範圍得到了應用。
