Principle of effective stress in porous media is introduced into fluid-structure coupling theory, then according to the equilibrium condition, the stress equation is established.

将基于多孔介质的有效应力原理引入流固耦合渗流中，并根据平衡条件得出了应力场方程；

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When he plugged that wind-force equation into his model and assumed that the probability of a branch breaking due to wind stress is constant, he came up with Leonardo's rule.

他将风力公式应用到他的模型中，并假定树枝受到风力作用而断裂的概率是恒定不变的，据此他推导出了达·芬奇公式。

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The unknown parameter of the equation is fixed by stress relaxation test and parameter identification technology.

本构方程中的未知参数由应力松弛试验和参数识别技术来确定。

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If Emotional Intelligence continues to be a highly valued assessment tool, as it appears it is now, should companies start paying more attention to the stress quotient in the equation?

FORBES: Workplace Stress is Curveball Lobbed at Employee Emotional Intelligence

Not knowing if the house would be lost or the utilities shut off could force many significant others, spouses and children to pile onto the equation with their own additional negative stress.

FORBES: The Entrepreneurial Spouse: The Vital Role Of The Significant Other