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- The feasibility to simulate the initial earth stress of the large underground structure by using the algorithm of dynamic relaxation and system damping in LS-DYNA is investigated. 摘要主要研究使用LS-DYNA的动力松弛算法和系统阻尼算法相结合来求解大型地下结构初始地应力状态的可行性。
- Therefore, by virtue of finite element method, the idea, which can take rock gravity, tectogenesis and landform denudation into account, to get initial earth stress field of rock mass was presented. 以有限元数值分析为基本手段，提出了可以考虑构造运动、岩体自重和地形剥蚀等多因素的岩体初始地应力场反演思路。
- Displacement function method for analyzing initial earth stress 分析初始地应力场的位移函数法
- Our pilotless rocket enters the track of the earth. 我们把一个无人驾驶的火箭送入了地球的轨道里。
- The attraction of the moon for the earth causes the tides. 月球对地球的吸引力造成潮汐。
- The earth is only a speck in the universe. 地球在宇宙中只不过是一个小点罢了。
- How on earth do they manage to rob the bank? 他们到底怎么抢了银行的？
- A number of satellites are now circling the earth. 一些人造卫星现在正环绕地球飞行。
- His initial reaction was one of shock. 他最初的反应是震惊。
- The machine cast up a big heap of earth. 机器卷起了一大堆泥土。
- The red sun lights up the sky and the earth. 红太阳照亮了天空和大地。
- The initial `h' in `hour' is not aspirated. hour一字中起首的h不发送气音。
- Who on earth is that female he's with? 跟他在一起的那个女人究竟是谁?
- Antarctica is the loneliest place on earth. 南极是地球上最偏远的地区。
- He dived his hand into the earth. 他将手插入泥土中。
- Earth worms are often used as bait. 蚯蚓常用作鱼饵。
- The earth in the garden is good, soft soil. 花园里的泥土松软肥沃。
- The start or initial stage; the outset. 开始，开端开始或初始阶段
- Many kinds of animals have vanished from the earth. 许多动物已人地球上消失了。
- The heavy wheels churned the earth into mud. 笨重的车轮将大地碾成了泥浆。
