The laws of physics are symmetrical for translational displacements.
物理定律对平移是对称的.
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The releases introduce inconsistencies in displacements.
放松会引起位移的不相容性.
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There may be widespread changes in ground elevation as well as horizontal or shear displacements.
地面标高可能发生广泛的变动,也可能发生水平位移或剪切位移.
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We recall that the principle of virtual displacements is a statement of equilibrium.
前面已叙述过,虚位移原理是对平衡的一种描述.
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The d'Alembert forces must be oriented opposite the assumed directions of mass displacements.
达朗贝尔力的方向必须与所设的质量的位移方向相反.
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It would be highly advantageous to have instrumentation to directly measure structural strains and relative displacements.
如果能用仪器设备直接测量结构应变和相对位移将具有更大的优越性.
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The resulting displacements of points on the surface of the sphere are purely radial.
球体表面点的总位移是纯径向的.
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So thehorizontal displacements of a dam are normal as a whole.
因此,大坝水平位移变化总体上正常.
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These are developed by the constraint of displacements of a structure.
二次应力是由构件的位移约束引起的.
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And then there were new upheavals and further displacements.
随后发生新的动乱,又有大批人流离失所.
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The first few steps of displacements of the structure are measured.
对状态变量的观测,仅测量结构的前几个位移或速度.
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Most faults produce repeated displacements over geologic time.
大多数断层在整个地质时期反复发生断层位移.
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A new type of shell element is presented to form an equilibrium equation with unknown node - displacements.
提出一种新的板壳单元,建立以结点位移为未知量的平衡方程组,组装得到的整体刚度矩阵为稀疏带状矩阵.
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Objective of mechanics of materials: to determine the stresses, strains, and displacements in structures.
材料力学的目的: 确定结构(内部)的应力 、 应变和变形.
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The unit - load method is an important method for finding displacements of structures in structure mechanics.
在结构力学中,单位荷载法是求结构位移的一种重要方法.
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