弹回的

The method of springback finite-element for large deflection of plate shaping is established on springback potential energy principle that is already concluded.

通过引入有限变形回弹反耦联系统和反耦联方程的概念，由回弹势能原理建立了板成形的大挠度回弹有限元法。

It is shown that both deviator stress and confining Stress greatly affect resilient modulus, and the influence of water content is great. Degree of compaction is also an important factor affecting resilient modulus.

结果表明：偏应力σ(下标d和侧向应力(σ3)对路基土回弹模量均有显著影响，含水量对路基土回弹模量的影响非常大，而压实度同样是一个主要影响因素。

By deep analyzing the tested value of the concrete strength with the rebound method and combining with the inverse regression theory,a rebound strength curve of three-parameter inverse regression is put forward.

基于对回弹法检测混凝土强度被检测量，结合逆回归理论提出了一种逆回归三参数回弹法测强曲线模型，将随机性较大的混凝土回弹值作为因变量，随机性较小的抗压强度值作为自变量，并且增加了一个位置参数，更加符合工程的实际情况。

Present the rebounding ratio, and analyse the relationship of degree of slope,rebounding value and stability, point out that rebounding ratio is a important factor of effecting the stability of slope, and discuss the relationship of lumpiness ,rebounding value ,rebounding ratio, JRC ,height of slope and the degree of slope, confirm the influencing degree of all kinds of factors to the degree of slope, and the order is lumpiness,rebounding value,rebounding ratio,JRC and the degree of slope.

提出了回弹比，分析其与坡度、稳定性间的相关关系，指出回弹比是对边坡稳定性影响的一个重要因素。确定了各因素对坡度的影响的重要性依次是块度、回弹值、回弹比、JRC和坡高。

It was made of that ultra-soft material which, no matter how you distort or misshape it, always pops back into its original shape.

它是用质地非常柔软的材料制成的，不管你怎么扭曲它，还是把它弄得畸形，它还是会立刻弹回原状。

Three types of subgrade filling material are selected to analyze the change rule of subgrade resilience modulus under different compaction. Meanwhile PFWD（portable falling wei-ght deflectometer） is combined to integrate this parameter with compaction of construction control index,which brings about the conversion relation between three subgrade filling material and compaction. It can provide reference for pavement design and construction.

选定三种不同类型的路基填料，分析在不同压实度条件下路基回弹模量的变化规律，并结合PFWD检测方法，将设计参数回弹模量与施工控制指标压实度联系起来，得出三种路基填料的回弹模量与压实度的转换关系，可为路面设计与施工提供合理的依据。

To monitor the changes in lung mechanics,respiratory system impedance was averaged in a 2-s time windowand fitted by a model featuring airway resistance and inertanceand tissue damping and elastance.

检测两秒时间窗内肺部力学的变化，检测呼吸系统的阻力、组织阻尼及弹回率。

The spring back in the distortion process was predicted by finite element method, and the predicted results were analyzed to find out the reason lead to spring back, and so as to precompensate the spring back.

利用有限元仿真对其变形过程中的回弹进行预测，并对预测结果进行研究，找出回弹根源，从而对其回弹进行预先补偿。

With this model, the deformation and stress distributions of the flange joint are analyzed using ANSYS FEM software, and the influences of gasket properties, tube side pressure and shell side pressure, bolt pr.

本论文以U形管换热器法兰夹管板接头为研究对象，考虑垫片材料压缩的非线性特性和压缩-回弹时的时滞效应，将法兰接头各元件看成一个系统，研究各元件的相互作用，建立了管板-法兰-垫片-螺栓连接系统的非线性三维有限元分析模型。

Su-D deficiency rickets often caused by calcium, phosphorus metabolic abnormalities and systemic change in sound quality, only the changes in the skull is very significant, bone softening tone often occurred in occipital parietal bone central to the area soft reduction finger bone invagination quality slightly, let go immediately after the bounce, there are table tennis hands feeling pressure, it referred to as the "ping-pong first."

素D缺乏性佝偻病常引起钙、磷代谢异常及全身音质改变，仅头颅的变化就很显著，骨质软化常发生于枕音和顶骨中央，以手指轻压该处时骨质稍向内陷，松手后立即弹回，有手压乒乓球的感觉，故称&乒乓头&。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。