rock and rock mass

• 岩石和岩体

rock and rock mass的用法和样例：

例句

1. There is a close correlation between contour lines and lithology.
   等值线的外形和岩性吻合的很好。
2. The geometrically combined relation of the syncline stucture with the pit controls the mechanical effect of the stuctural plane and rock mass structure.
   向斜构造与采场的几何组合关系控制着结构面和岩体结构的力学效应。