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- According to above-mentioned methods, the engineering analogy is used to decide the minimum rock cover of subsea tunnel at Xiang Shan harbor. 利用上述三种方法，对象山港某海底隧道的最小岩石覆盖层厚度进行工程类比。
- minimum rock cover thickness 最小岩石覆盖厚度
- minimum rock cover 最小岩石覆盖厚度
- minimum rock covering thickness 最小岩石覆盖层厚度
- Sedimentary rock covering older crystalline layers. 沉淀岩覆在旧的水晶状层之上的沉积岩石
- The preliminary thickness of the subsea tunnel rock cover was determined through using project analogy method. 根据国内外已建成的海底隧道资料，采用工程类比方法初步确定象山港海底隧道的最小岩石覆盖厚度。
- In order to choose rock cover of Xiamen subsea tunnel now,3D elastoplastic constitutive relation and damage evolution equation for 4 profiles has been done along the longitudinal of the tunnel. 在厦门海底隧道轴线的地质剖面图上,选取了4个典型的剖面,应用多裂隙岩体三维弹塑性本构关系和损伤演化方程进行数值分析研究,得到了应力分布、洞周位移、塑性区、损伤区等结果。
- By means of analysis of stress disturbed area,and comparing rock cover of weak regolith with stress disturbed area at axis and raising or decreasing,it is easy to determine minimal rock cover. 通过对应力扰动区的分析,以及隧道轴线位置、轴线升高或降低后各剖面应力扰动范围与弱风化层厚度的对比,很容易确定厦门海底隧道的最小顶板厚度;根据应力分布、洞周位移、塑性区、损伤区结果,评价了海底隧道的开挖稳定性。
- Studies on Mechanism of Spalling of Rock Cover 岩石覆盖层抗震塌机理研究
- Rock covering destroying parameter is the scientific basis of reasonable preserving waterproof coal pillars and guarantees safety production and retrieves coal resources. 覆岩破坏参数是矿井合理留设防水煤柱,保障矿井安全生产和提高煤炭资源回收率的科学依据。
- We have pared down our expenses to a bare minimum. 我们已最大限度地削减了开支。
- The class needs a minimum of 6 pupils to continue. 这个班最低限度要六个学生才可以继续办下去。
- A withdrawal limit of $200; no minimum age limit. 提款数量最多不超过200美元; 没有最低年龄限制。
- The rock was honeycombed with passages. 岩石上有许多蜂窝状的小孔。
- This game requires a minimum of three players. 这个游戏至少需要三个人才可以玩。
- The minimum wage is 4.25 dollars an hour. 最低工价为每小时四点二五美元。
- Many young rock hounds grow up to be geologists. 许许多多爱好收集岩石的少年，长大后成了地质学家。
- The climber had to negotiate a steep rock face. 那攀登者得攀越一陡峭岩石。
- A maximum or minimum value of a function. 极大值，极小值函数的最大值或最小值
- Habitat and Ecology: On rocks covered with litter under forest, alt. ca.300 m. Flowering: Mar.- May. 生境与生态：生于溪旁林下有腐殖土的岩石上，海拔约300米。花期：3-5月。
