Opposition is essential to a true equilibrium of forces. 凡事都有正有反,正与反乃是平衡力量的要素。
In so far as linear motion is concerned, a body is in equilibrium if the vector sum of the forces acting upon it is zero. 就线性运动而论,如果作用于严格物体上的诸力的矢量之和是零,那么这个物体就处于平衡状态。
China and Mexico should take an active part in global economic governance and work together for world economic recovery and growth and equilibrium of international forces. 中墨两国应该积极参与全球经济治理,共同推动世界经济复苏增长和国际力量均衡发展。
By means of equilibrium of forces and displacement compatibility of piers, arches and the subsoil, the internal forces and displacements of the inverted arch were solved. 通过力的平衡和墩与拱、墩拱与地基变形协调,求解反拱内力及墩与拱的有关变位。
The condition of equilibrium of the member requires that the pair of forces coming from the joints must be equal and opposite. 元件的平衡条件要求来自连接点的一对力必须大小相等,方向相反。
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。
As mentioned above, we have not explicitly used the first condition for equilibrium, that the vector sum of the forces be zero. 如上所述,我们没有直接应用第一平衡条件,即力的矢量和为零。
The equilibrium condition of forces experienced by a charged particle in electromagnetic field 带电粒子在电磁场中动态受力平衡条件
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。
And the diversity and equilibrium of political forces were the foundation of political decentralization. 其直接原因是王权与其他政治力量共同构成政治权力结构中的一极,政治力量的多元性和均衡性是政治分权的政治基础。
And then, according to the condition of limit equilibrium of forces, a formula about non uniform sediment incipient was deduced. 并以该流速公式为基础,按照颗粒极限平衡的受力得出了非均匀沙的起动公式。
About the forms of the equilibrium equations in various system of forces 力系平衡方程的多种形式
The classical orbital motion of a relativistic charged particle in electromagnetic fields is influenced by the radiation damping force as well as the Lorentz force, and the particle may be in equilibrium of forces in certain conditions. 电磁场中相对论带电粒子的经典轨道运动受到洛伦兹力和辐射阻尼力的影响,在一定条件下会达到受力平衡状态。
This paper studies the force and the equilibrium of forces in the process of reclamation and demonstrates the internal relations between the reclaiming mechanism of grab buckets and all concerned physical quantities. 本文研究了煤炭抓斗取料过程中受力和力的平衡,揭示了抓斗挖料机理及与挖料有关的全部物理量之间的内在联系。
On the equilibrium of a transversely isotropic elastic body under body forces 在体积力作用下横观各向同性弹性体的平衡问题
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。
Those concepts, such as inertial motion, equilibrium of a system, equilibrium of forces, are generalized. 最后,对于惯性运动、系统平衡和平衡力系等概念进行了推广。
A new type of configuration analysis method for membrane and cable-membrane structure based on equilibrium of nodal forces 基于节点力平衡的膜、索膜混合结构形态分析方法的一种新形式
Based on the conditions of the equilibrium of forces and Newton's method, a method of stress analysis for eccentrically loaded rectangular reinforced concrete short column with biaxial bending is presented. 本文从力的平衡条件出发,建立确定矩形截面钢筋混凝土斜偏心受压构件的二元高次方程组,用Newton法求解该方程组以确定中性轴位置并由此计算混凝土和钢筋的最大应力。
The particle movement in the radial direction is assumed resulting from local equilibrium of two forces, the air drag force and the centrifugal force. 该模型假设颗粒在分级轮中具有二力平衡状态,即颗粒的运动状态主要取决于流体黏滞力与离心力的作用.音画同步的《空军一号》
According to the equilibrium conditions of forces acting on a soil element, the problem for non-linear distribution of earth pressure of cohesive backfill is studied. 本文根据作用在土单元体上力的平衡条件,研究了粘性土的土压力非线性分布问题。
At last, the matrix equation for analyzing elastic foundation beam is held up by the equilibrium of node forces. 最后,由梁单元结点力平衡建立分析弹性地基梁的矩阵方程。
To solve the problem of ill conditioned linear equations encountered in many fields, on basis of structure mechanics, the ill conditioned linear equations were modeled as equilibrium equations of a structure subjected to incremental forces. 为了解决病态线性方程组的求解问题,从结构力学角度出发,将病态线性方程组模型化为受力结构的平衡方程组,以模型结构为基础,推导出病态方程的复合结构解法。
Based on the Lorentz-Dirac equation, an equilibrium condition of forces in relativistic covariant form for a charged particle ( it may be a free electron in conductor) in electromagnetic fields is presented with the radiation damping taken into account. 基于洛伦兹-狄拉克方程,本文介绍了计及辐射阻尼力后电磁场中带电单粒子(包括导体中的自由电子)受力平衡条件的一种可能的相对论协变形式。
This method is based upon the equilibrium of forces under ultimate loading, and consequently the effect of plasticity of the material is included in consideration. 这个公式是考虑板在极限平衡状态,考虑了材料的塑性。
The analytical method of system of plane intercrossing forces is to calculate unknown forces by use of equilibrium equation of plane system of plane intercrossing forces. 平面汇交力系的解析法是用平面汇交力系的平衡方程计算未知力,其平衡方程最简单,但也最容易出错。
When thermodynamic treatment is carried out on a soil-plants-atmosphere-water system in order to derive a mathematical expression of water potential by use of the concept of chemical potentials, we have to consider the equilibrium of heat, forces and substances or then thermodynamic equilibrium in the system. 利用化学势对土壤植物水分大气连续体系进行热力学处理来推导水势数学式时,需要考虑体系的热平衡、力平衡和物质平衡,即热力学平衡。
The former factors, such as the equilibrium of forces, the deformation of structures as well as the internal stresses, are all mainly lied on the later factors, including absolute rigidity, linear rigidity and relative rigidity between members. 前者所涉及的力的平衡、结构或构件变形的协调以及由此而产生的构件内力都是通过后者所包含的绝对刚度、线刚度及相连构件之间的相对刚度来体现的。
A differential equation for calculating the normal stress at the transverse section of the flange of a steel concrete composite box girder is derived based on the compatibility of strain and the equilibrium of forces on an micro element of the flange section. 对于钢混凝土组合箱梁,根据组合翼板微元的变形协调和平衡条件,建立了横截面翼板法向应力微分方程。
Regulatory regime is the equilibrium of the game played by related driving forces in the economic perspective. 就经济理论看来,管制是各种利益相关者之间博弈所产生的均衡。