我们知道，这几乎是弹性碰撞，它以同样速度回来。
And we all know that if it is a nearly elastic collision that it comes back with the same velocity.
8月04日刊登在“自然”杂志上的一项新的研究表明，内脏折叠的式样取决于内脏、肌肉以及附加在上面所有东西的弹性、几乎形状和生长的速度。
A new study published Aug 4 in the journal Nature found that the patterns of this fold depend on the elasticity, geometry and rate of growth of the gut and the muscles it's anchored to.
你看这些质量是否相等,这里是弹性碰撞，它静止，它以v2’运动，它的速度是。
You will see if the masses are the same and there is an elastic collision, this one will stand still and this one, v2 prime, v1 will have a velocity v1.
而事实证明，伦敦经济比预料的要有弹性的多；种种迹象显示，它的复苏速度要远快于英国的其它地区。
But London has proved more resilient than expected, and there are signs that it will recover more swiftly than the rest of Britain.
有上述公式可知，加速度取决于弹性系数和弹簧(即汽泡纸)收缩的距离。
So the acceleration depends on the value of the spring constant as well as the distance the spring (bubble wrap) is compressed.
岩体弹性波速度是组成岩体的岩石性质、岩体结构、赋存环境的综合反映。
Rock mass elastic wave velocity is the synthesized reflection of rock quality, rock mass structure, and rock mass existing environment.
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.
降低界面张力、增强驱油剂的黏弹性、增加驱替速度，有利于提高驱替残余油膜的驱替效率。
Decreasing interfacial tension or enhancing the viscoelasticity or displacement velocity is favorable to increasing the displacement efficiency of oil film.
模型的数值分析结果表明，资本流入征税可以减少资本流入，但其效果主要取决于货币的流通速度和居民储蓄的利率弹性。
The numerical results indicate that tax on capital inflows can discourage capital inflows, and that the outcome varies according to elasticity of saving and velocity of currency circulation.
本文介绍了投梭转子与投梭鼻之间撞击的动力学分析，包括速度变化、动能转换及弹性冲击的分析等。
The article makes a dynamic analysis of the impact between the picking bowl and the nose, including the speed variable, the energy transfer and elastic impact.
研究表明：粉煤灰通过改变胶凝材料体系水化速度、徐变系数、弹性模量，可以有效抑制早期混凝土的自收缩。
The research shows that fly ash could restrain early autogenous shrinkage by changing the parameter of binder, such as hydrated velocity, creep coefficient, elastic modulus and so on.
研究速度变化的轴向运动粘弹性梁在亚谐波共振及组合共振范围内的参数振动。
Parametric vibration of an axially moving, elastic, tensioned beam with pulsating speed was investigated in the vicinity of subharmonic and combination resonance.
利用阻抗、速度、泊松比等弹性参数和叠前振幅、频率属性可对裂缝密度和方位进行定量预测。
Elastic parameter such as impedance, velocity, Poisson ratio etc. and pre-stack amplitude, frequency attributes can be used to quantitatively predict the fracture density and direction.
计算得到了杆内温度及位移的分布规律，分析了移动热源速度、弹性模量以及热松弛时间对温度和位移的影响。
The effects of moving heat source speed, temperature-dependent modulus of elasticity and thermal relaxation time on displacement and temperature are studied.
因此，有必要在更高的温压条件下对弹性波通过壳幔岩石的速度和动力学特征等方面进行深入研究。
Therefore, the elastic wave velocity and dynamics on crustal and mantle rocks at much higher PT should be further studied.
分析了转杯速度、牵伸倍数、捻系数对弹性转杯纱性能的影响，并通过正交试验对工艺参数进行了优化。
The effects of rotor speed, draft ratio and twist factor on the properties of elastic rotor-spun yarns were investigated, and the technology optimizing was done through the orthogonal test.
计算表明，基础弹性突变对梁的振动有较大影响，其影响随着移动荷载速度的增加而增加。
The computations show that the foundation elasticity stiffness abrupt change has greater influences on beam vibration. This influences increase with increase of the velocity of the moving loads.
相同介质中不同频率的弹性波传播速度是有差异的，即频散问题。
The propagation velocity of elastic wave with different frequencies in same medium is various, which is called dispersive problem of frequency.
横轴方向的位移荷载速度越大，纵轴方向的弹性模量越大，平台极限应变越小，而屈服应力和平均平台应力相差不大。
When the transverse loading speed becomes bigger, the axial elasticity modulus also becomes bigger, while the platform yeild strain becomes smaller, buy the yield stress changes little.
因此不论在实验室条件下，或是在实际地震勘探中分析弹性波速度时，应考虑这些因素影响。
It should consider the influences of these factors when analyzing elastic wave velocities either in laboratory condition or in practical seismic exploration.
该网络采用BP弹性算法，同时对初始权值和阀值进行了优化，实现了网络的非线性映射，并有着极快的收敛速度。
In this network model, the BP elastic algorithm (RPROP) was adopted and the initialized weight value and valve were optimized and this model has realized the nonlinear.
文中对弹性车轮踏面、轮缘激励下的速度频响函数进行了理论分析。
The paper makes a theoretical analysis of the speed frequency response function excited by the tread and flange of the resilient wheel.
结论本研究显示组织速度成像技术可用来评价正常人和原发性高血压患者颈总动脉壁运动特点与弹性特征。
Conclusions This study demonstrated the feasibility of TVI in the characterization of wall motion patterns and in the assessment of CCA elasticity.
基于风管所承受的各种荷载来评定其工作能力，通常在允许的气流速度（或压力）下，是否只产生较小的弹性变形，而不产生屈曲。
Producing little stretch distortion and having no flection under permitted air speed and pressure are the criterions of assessing air conduit capacity based on its bearing load.
结果表明，运动位错速度以及夹杂对于电-磁-弹性场具有很大影响。
The results show that the velocity of moving dislocation and inclusion has significant effect on the electro-magneto-elastic fields.
粘弹性阻尼器采用开尔文模型，将其对结构的作用看作是位移和速度的反馈控制。
The viscoelastic damper was described by the Kelvin model and its action to the platform was regarded as the feedback of displacement and velocity of the response.
同时也分析了冲头对圆管碰撞时，导致圆管由弹性变形向塑性变形转化学的临界速度值。
We also analyse the critical velocity, at which elastic deformation translate to plastic deformation when the bullet impact the tube.
结果表明，超声速度与合金相状态有关，而且对热弹性马氏体相变及其逆相变非常敏感。
The results of metallograph, X ray diffraction, and resistance experiments confirmed that thermal elastic martensitic transformation could be showed in casting Cu Al Be alloys.
这种技术利用大量的地震波速度信息进行专门的反演计算，得到测区内岩土体弹性波速度的分布规律。
It computes the distribution of velocity in the rock and soil body using speed information of seismic wave by special methods.
这种技术利用大量的地震波速度信息进行专门的反演计算，得到测区内岩土体弹性波速度的分布规律。
It computes the distribution of velocity in the rock and soil body using speed information of seismic wave by special methods.
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