rock and rock mass的用法和樣例：
例句
- There is a close correlation between contour lines and lithology.
等值線(xiàn)的外形和巖性吻合的很好。 - The geometrically combined relation of the syncline stucture with the pit controls the mechanical effect of the stuctural plane and rock mass structure.
向斜構造與采場(chǎng)的幾何組合關(guān)系控制著(zhù)結構面和巖體結構的力學(xué)效應。
