surrounding ground短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 🌏周围土地 生态环境 By outcomes of latest theory research, the direct formula about dilatancy angle and surrounding ground deformation is introduced. 利用最新的弹塑性理论研究成果，推导出了膨胀角与围岩变形的直接关系式； cnki So far, there is no method by which the stability of the surrounding ground can be effectively evaluated. 目前，还没有一套评价岩体工程稳定性的行之有效的方法。 cnki