rock discontinuities的用法和樣例：
例句
- The geometrically combined relation of the syncline stucture with the pit controls the mechanical effect of the stuctural plane and rock mass structure.
向斜構造與采場的幾何組合關係控制著結構面和岩體結構的力學效應。 - Based on general method of spatial block topological identification with stochastic discontinuities cutting, the block identification of slope and cavern rock mass is studied.
在隨機結構面切割下全空間塊體拓撲搜索一般方法研究基礎上，進行邊坡及洞室岩體的全空間塊體搜索問題研究。
