equilibrium of forces

At equilibrium the resultant of all external forces vanish.

在平衡时,所有外力的合力为零.

In the light of equilibrium of forces for a stable powered support, the concept of the area of force equilibrium, showing the mechanical characteristics of the powered support, is introduced.

根据液压支架稳定工作的力平衡条件，引出了反映液压支架力学特性的力平衡区概念。

Formulas of stability factor of the two segments by equilibrium of forces and equilibrium of moment could be set up respectively.

可以将坡体土分为两部分，分别按照力的平衡和力矩平衡建立稳定系数计算公式，联立即可解得稳定系数。

The distribution theory of income in foreign microeconomics was so formed on the base of the theory of marginal productive forces and the supply and demand theory of equilibrium by taking over relevant elements from information economics.

国外微观经济学的收入分配理论是以边际生产力论和供求均衡论为基础，吸收信息经济学有关收入分配的理论形成的。

The stillness of an equilibrium created by the movement of two opposing forces.

均衡状态之静止，乃是诞生于两种相反力量的运动。