弹性的

Using group theory, author researched the theoretical discriminating method of rock aeolotropy types from aeolotropy type of rock, elastic symmetrical direction and the number of independent elastic parameter of rock and established the aeolotropy discriminant criteria of transversely isotropic rock and orthotropic rock first time.

论文首次运用群论的方法，从岩石材料各向异性类别、岩石材料的弹性对称方向和独立弹性参数的个数三个方面入手，研究了岩石材料各向异性类别的理论判别方法，并建立了横观各向同性的各向异性体和正交类各向异性体的各向异性类别判别体系。

The results show that more modalities can be excited from asymmetric system and that there is little difference between the power flow spectra of rigid raft system and flexible raft system in middle and low bands of frequency, but there is considerable difference at high frequency.

研究结果表明，非对称系统能激励出更多的模态；在中低频段弹性浮筏系统和刚性浮筏系统的功率谱没有很大的区别，但是在高频段差别则很明显，浮筏的弹性模态起着主要作用；减小隔振器的刚度并适当增加隔振器阻尼不仅可以降低传递到基础的功率谱，同时还可以抑制共振减小冲击。

Using these elements, the nonlinear dynamic response of laminated structure under the visco elastic damping were numerical studied. Many beneficial conclusions were obtained.

用本文构造的几何非线性单元，对粘弹性阻尼作用下的层合结构动响应及粘弹性阻尼衰减效果进行了计算和分析，得到了一些有益的结论，可作为材料和结构设计的指导。

The deformation of the wheel was defined through finite element method, and according to analysis method for elastic tyre in terramechanics, the draw bar pull force of spring wheel on lunar soil was computed and compared with that of rigid wheel. The result shows that the spring wheel can improve the lunar rover mobility performance.

通过有限元分析得到了载荷作用下的车轮变形，借鉴车辆地面力学中对弹性轮胎的分析方法，计算了车轮在月球表层松软土壤上行走时的挂钩牵引力，并与同等尺寸的刚性车轮进行了对比，分析表明弹性车轮结构将提高月球探测车行走性能。

The invention discloses a device for spreading machine docking with trucks, which consists of damping mechanisms installed on both side between the spreading machine and the roller; the damping mechanism consists of side plate 1, sliding block 2, flexible element 3, and shaft 4, the flexible element 3 is sleeved on the shaft 4 of which one end linked with spreading machine and the other with sliding block 2, side plate is on upper section of sliding block 2 and fixed on the machine, lower section of sliding block is linked with roller.

本发明公开了一种摊铺机与卡车对接缓冲装置，它为设置于摊铺机机身前端与推滚之间的左、右各一副阻尼机构(10)；所述阻尼机构(10)包括端板(1)、滑块(2)、弹性元件(3)和轴(4)，弹性元件(3)套于轴(4)上，轴(4)的一端与推铺机机身(5)相连，滑块(2)与轴(4)的另一端相连，端板(1)位于滑块(2)上段之外，并固定于推铺机机身(5)上，滑块(2)的下段与推滚(6)相接。

As we know, support at the both straight edge of ACMR is a elastic support between the hinged support and fixed support, and its stiffness is variational. So the relation between support stiffness and load-carrying capability of ACMR is worth to be studied. Meanwhile, arched roof is generally set on beam at the top of pillar.

众所周知，实际工程中波纹拱两端的直边支座处于铰支和固支之间，属一弹性支座，其弹性刚度是变化的，支座刚度与波纹拱结构受力性能及稳定承载力之间的关系是一个非常值得研究的课题。

There are lots of empirical estimations on the two elasticities, but with a large discrepancy among them.

国内外文献对於此二种弹性都有很多的估计，但或者由於模型设定的不同，或者因为资料不一，使得实际估计到的弹性有很大的差异。

We found that the elasticities of substitution between land and capital in housing production in Taiwan vary among different areas and among different years.

结果我们发现住宅生产的替代弹性在不同地区与不同的年度之间有相当大的变化，因此可变替代弹性模型该是比较适当的。

In this paper, we made an elementary discussion how we can use Laplace transformation to study linear elasticity Timoshenko beams. However, in practice, high-speed collisions are not elasticity problems, and many plastic conditions need to be taken into consideration.

本文采用Laplace变换的方法对线弹性Timoshenko梁模型进行了研究，对此模型只是一个初步的探讨，而实际的高速冲击碰撞问题已经不是弹性问题，会有很多塑性的东西需要考虑解决。

In order to help for evaluating properties of soil in interaction more precisely, the paper applies elastic theory solution on different modulus in tension and compression for vertical load into semi-infinite elastic body. Through quoting Heaviside function, the solution of elasticity theory with different modulus in tension and compression is established founded on the solution of elasticity theory for the material incapable in tension and Mindlinsolution for equal modulus.

为使地基土在共同作用中的行为特征评价更为合理，本文应用了半空间问题竖向荷载下地基土的拉压模量不同弹性理论解，该理论解是通过引入Heaviside函数，利用不能承受拉应力材料的弹性理论解并结合拉压模量相等的经典Mindlin解而获得。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了