对所测试件选取适当的模型，应用弹性力学理论，推导出微小位移与焊接残余应力的关系式。
On the basis of model selection from the pieces tested and according to elastic mechanics, the relation between minute displacement and welding residual stress is deduced.
本文应用弹性力学理论，对地壳中重力诱导的应力进行了分析，得出了垂直应力和水平应力与重力和半径的关系式。
The distribution of stresses in the earth's crust induced by gravity has beenanalyzed with the theory of elastic mechanics.
在应用弹性理论对刀具破损进行应力分析的基础上，指出提高刀具寿命的措施。
Based on the stress analysis for cutter damage with elastomechanics theory, measures for improving cutter life are proposed.
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