组成该质点的分子是连续变化的。
The molecules comprising this particle are continuously changing.
双质点弦振子有模态局部化现象。
The double particle string oscillator has mode localization phenomena.
我们可标记占据某个小领域的质点群。
We label a group of particles occupying a small neighbourhood.
多质点体系：原子，耦合振子，周期晶格。
Many Particle Systems: Atoms, Coupled Oscillators, Periodic Lattice.
液体质点每经过一次叶片，就获得一次能量。
初级离子与中性质点反应生成各种次级离子。
Primary ions react with neutral species to produce different secondary ions.
结果每张图谱约检测到800多个蛋白质点。
Results Each gel obtaining about 800 protein spots were seen.
牛顿的万有引力定律指的是两个质点之间的力。
Newton's law of gravitation refers to the force between two particles.
从陈子定理可以演绎出描写质点运动的各种表示方式。
Chenzi theorem can be applied to describe the motion of particles in many ways.
利用标识质点跟踪技术，建立了三维拉格朗日余流模型。
The particle track technology is applied to establish the three-dimensional Lagrangian residual current model.
结果显示质点跟踪法不仅耗散更低，而且守恒性也更好。
The result shows that the Particle-tracing Method is not only less diffusive , but also more conservative.
通过数学分析得出振动质点的速度与强迫力之间的相位差。
The phase difference between velocity of vibrate particle and force was analysed.
卫星如何绕地球不断运行的问题实际上是个质点运动学问题。
How a satellite keeps moving round the earth is, in fact, a problem of kinematics of particles.
讨论了一维六质点系统在弹性内力作用下的质点—质点关联。
The particle particle correlations inside a one dimensional six particle system under elastic internal forces are discussed.
在本章中，我们要揭示一个质点集体作运动时动量守恒的含义。
In this chapter we develop the implication's of momentum conservation in the motion of a collection of particles.
论述了质点系相对于随质心一起作平动的座标系的动力学规律。
Discusses the dynamic theorem of mass system relative to centre of mass moving in a plane.
同时给出了塑性激波后方弹性卸载区内的应力和质点速度分布规律。
Distributions of stress and particle velocity in the elastic unloading region behind the plastic shock wave are given as well.
本文给出在任何初始条件下，沿圆锥曲线运动的质点所受的作用力。
The force on a particle moving along a conical curve under any initial conditions is discussed.
本文提出质点和质点系(绝对运动和相对运动)质量加速度矩定理。
This paper proposes the theorem of moment about mass acceleration of the particle and the system of particles (absolute motion and relative motion).
计算了平面串并联多质点系结构在竖向地震作用下的竖向刚度矩阵。
This article calculated the vertical stiffness matrix of plane frame structures subjected to vertical earthquake action.
碰撞时质点系动量的改变等于作用在质点系上所有外碰撞冲量的矢量和。
The change in the momentum of a system of particles during an impact is equal to the vector sum of all the external impulses acting on the system.
接着分析了超声波电动机的工作原理和定子表面质点椭圆运动的形成机理。
Then how USM works and how the ellipse trace of particle on the surface of stator forms are analyzed.
对质点强化型的高强度7475铝合金超塑变形中显微组织变化进行了研究。
The microstructural changes of high-strength aluminum alloy 7475 in the process of superplastic deformation were systematically investigated.
本文采用牛顿法并藉计算机求解质点沿机械抛掷机构内的旋转叶片运动的方程。
In this paper we use Newtoh's method to solve the equation of motion of particles along rotating blades.
如果作用在质点上所有的力是平衡的，质点将会保持静止或做做匀速直线运动。
If all the forces acting on a particle are balanced, the particle will either remain at rest or will continue to move in a straight line at a uniform velocity.
经对比分析，所得爆破地震波衰减规律公式预测的质点振动速度具有较高的精度。
Through contrasting and analyzing, the particle vibration velocity were forecasted by the orderliness formula of attenuation of blasting earthquake wave is precise relatively.
根据波的折射定律，作者提出了一个描述抛掷漏斗内任意质点抛掷方向的数学模型。
Based on the refractive law of waves, the author presents a mathematical model describing the ejective direction of any particle in cratering.
介绍了利用超声波在液体介质中传播，使质点产生强烈振动而引起交变压力的原理。
It introduced the principle of alternating pressure caused by particle vibration, when ultrasonic propagating in liquor medium.
介绍了利用超声波在液体介质中传播，使质点产生强烈振动而引起交变压力的原理。
It introduced the principle of alternating pressure caused by particle vibration, when ultrasonic propagating in liquor medium.
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