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So, the factor of shear lag of box girder is researched by using the principle of the stationary value of the total potential energy, FEM and model test.

针对箱梁剪力滞效应研究不完善的现状，本文对箱梁剪力滞效应应用最小势能原理、有限元法和模型试验进行研究，并探讨了剪力滞效应的影响因素。

Because the items be introduced,difference of composite with imperfect interface from one with perfect interface is that stationary value principles of the former is no longer equivalent of variation equation s corresponding the principles.

与完美界面不同的是，由于这个积分项的引入，非完美界面复合材料的驻值原理不再与相应的变分方程等价。

It is sometimes phrased as that path for which the traveltime is a minimum (or, in certain cases, a stationary value or a maximum) compared with all neighboring paths.

有时也可描述为与周围其它路径相比旅行时间最短(或特定情况，定值，或最大)的那条路径。

The simulation results indicate that the stationary value of the side-slip angle of vehicle gravity center is closer to the zero than the case calculated by the model before updating.

仿真结果显示，改进后前轮角阶跃输入下的车辆重心侧偏角的稳态值比改进前更接近零目标值。

The element rigidity equation of spacial beam element was deduced using nonlinear geometric equation and total potential energy with stationary value, and the characteristic equation of the first type stability.

利用非线性几何方程和总势能驻值原理推导了空间梁单元的刚度方程，并由此建立了第一类稳定问题的特征方程。3。

Many infinite-horizon optimal problems encounter in management scienceand economics have solutions that approach some stationary value for the state variable.

在科学管理和经济中，许多无穷维最优控制问题对于状态变量存在逼近到一些稳定值的解。

It is also shown that under the same conditions, the values of the LWI gain with incoherent pumping are evidently larger than those without incoherent pumping exceptΦ=0 and the time reaching the steady state is shorter; varying the initial condition doesn't change the stationary value of the LWI gain but can remarkably affect the transient evolution process of the LWI gain.

研究还表明，与不存在非相干泵浦时相比，除了相对位相Φ=0的情况外当存在非相干泵浦时系统可得到大得多的稳态增益，而达到稳态所需的演化时间也短得多；初始条件的变化不改变稳态增益的大小但对瞬态演化过程有明显的影响。

In flask shaking culture, the output of CDEP-1 increased in parallel with the accumulation of biomass during the logarithmic growth phase and reached the peak value in stationary growth phase, then fleetly decreased in decay period.

摇瓶发酵结果表明，在对数生长期，随着菌体生物量的增加，CDEP-1产量上升，二者呈一定的平行关系；当菌体生长到稳定期，CDEP-1产量继续上升，并达到产酶高峰；此后，随着菌体生长的衰退，CDEP-1产量出现快速下降趋势。

The equations of the train and deck truss girder bridges time varying system were set up by using the principle of total potential energy with stationary value in elastic system dynamics and the "set in-right-position" rule for forming structural matrices.

应用弹性系统动力学总势能不变值原理及形成矩阵的"对号入座"法则，建立列车－桥梁时变系统的整体振动方程。

Both motor car and each trailer of HST were modeled as a multi-rigid-body system with two suspensions, and LVT was modeled as an assembly of track segment elements with 24 degrees of freedom. The vertical vibration matrix equation of the system was established on the basis of the principle of the total potential energy with stationary value in elastic system dynamics and the rule of "set-in-right-position" for formulating system matrixes, and then Wilson-θ numerical integration method was used to solve the problem. The dynamic responses of the system were calculated when the train runs at the speed of 200 km/h. And the effects of vertical stiffness of rail fastener and block pad on vertical vibration responses of the system were investigated.

其原理是：将高速列车的动车和拖车模拟为具有二系悬挂的多刚体系统；将弹性支承块式无碴轨道模拟为具有24个自由度的轨段单元的集合；基于弹性系统动力学总势能不变值原理及形成系统矩阵的"对号入座"法则，建立此系统竖向振动矩阵方程，并采用Wilson-θ数值积分法求解，计算速度为200 km/h时此系统竖向动力响应，研究轨道刚度对此系统竖向振动响应的影响规律。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。