large cavern group 大型洞室群
underground cavern group 地下洞室群
a huge underground cavern group 大型地下洞室群
large-scale underground cavern group 大型地下洞室群
a large-scale underground cavern group 大型地下洞群
large group-cavern 大型洞群
The comparing indicates that area Cl is the optimal position for underground cavern group.
通过对比研究认为C1区是布置地下洞室群的最佳位置。
参考来源 - 大跨度高边墙地下洞室群围岩稳定性评价及支护方案的系统工程地质研究On the base of principle of grouting bolt support and its technology, the stability and maintenance of cavern group is resolved by using grouting bolt united support according to Tangshan mine -950m pump chamber.
在全面论证高地应力软岩巷道锚注加固原理和锚注施工工艺的基础上，针对唐山矿—950m水平水泵房洞室群具体的地质条件，运用锚注联合支护技术，成功解决了洞室群开挖支护的稳定性和维护问题。
参考来源 - 高地应力非均质软岩洞室群稳定性分析与控制研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The plastic complementary energy norm is the norm of unbalanced force, whose magnitude indicates the global stability of cavern group.
塑性余能范数是不平衡力的范数，其大小表征库群整体稳定性；
The global stability criterion of cavern group is established based on the K-?E relation, where K is the strength reduction factor and ?
E关系曲线的库群整体稳定性和破坏的关键判据，其中，K为强度折减系数，?。
An ancient man-made near ground surface rock cavern group was found in Longyou County, Zhejiang Province. The 24 large caverns were excavated 2000 years ago.
浙江省西部龙游县的龙游大型古地下洞室群由24个洞室组成，该洞室群开挖于2000年前。
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