查询词典 dynamic condition

However, the FWD test imparts a dynamic load, and the time history data are recorded. The dynamic backcalculation can use these data and predict the FWD response.

然而落体测位仪试验为动态试验且亦有完整之时间历时资料，若能使用动态理论进行分析将可更合理的模拟铺面之实际反应。

ABSTRACT Soil-structure dynamic interaction is the dynamic responding of soils, foundation and superstructures excited by wave propagation ...

土—结构动力相互作用的本质就是波动在结构-地基系统内传播时引起的结构和地基的动力反应问题。

However, a vast amount of research demonstrates that dynamic interaction has a great influence on the dynamic characteristics of superstructures, and interaction system seismic response may greatly change.

然而，大量的理论分析和研究表明，在地基土质较差的情况下，地基-基础-上部结构动力相互作用对结构物的动力特性具有十分重要的影响，其地震响应将发生显著的变化。

By use of the dynamic equivalent circuit, the dynamic performances of VSC-HVDC system are easily gained.

基于VSC-HVDC系统的低频数学模型，建立了VSC-HVDC系统的动态等效电路。

Let the impact loads be transformed into simulated dynamic loads by the use of dynamic load coefficient ,taking this as a foundation the structural optimization mathematical model of ejection seat was established by applying the variable density method.

运用动载系数将冲击载荷转化为拟动态载荷，在此基础上用变密度法建立了弹射座椅结构优化数学模型，提出了冲击载荷作用下弹射座椅的结构优化设计方法，并进行结构优化设计实例计算，得到了能够满足冲击力作用的优化结构。

From the result,the stress status evaluation based on geology dynamic division has important significance for the design and implementation of coal mining engineering. geology dynamic division ; geotectonic model ; stress status

本文对荆各庄井田岩体应力状态进行分析，并将结果应用于矿井巷道失稳分析和支护设计、矿山压力预测、沉陷预测等采矿工程的相关问题。1基于地质动力区划的岩体应力分析建立区域地质构造模型、岩性分布模型，根据已知点提供的地应力数据作为边界及加载条件，进行相应的理论或数值分析，是进行区域岩体应力状态

We had already discussed that 'Dynamic' objects helps to consume objects which are created in dynamic languages which support DLR.

我们已经讨论过的'动态'的对象，有助于消费是在支持DLR。

The database such as the vessel database, navigation aids facility database, hydro-meteorological information database and the database of the port facility and above–water facility in the area of responsibility are set up that the MSA can realize the vessels entering or leaving port management, above-water and underwater construction management, navigation alarm and announcement publishing, above water dangerous condition, accident , water area pollution , and vessel alarm monitoring in the area of responsibility, as well as master the circumstances in the water area of the accident and dangerous conditions and the dynamic positions of the navigation vessels.

建立了船舶数据库、助航设施数据库、水文气象数据库、港口设施、辖区水上设施数据库。实现海事局对船舶进出港管理、水上水下施工管理、发布航行警告、航行通告、监控辖区水上险情、交通事故、水域污染、船舶报警，掌握事故、险情水域情况以及有关巡航船舶位置动态。

The dynamic characteristics of the half-tracked air-cushion vehicle are different from other conventional vehicles. Its mechanical equation includes several parameters being related to propulsion system, air-cushion system and soil condition. This system is a higher order nonlinear time-variant system with a delay.

由于半履带式气垫车的力学特性不同于以往的常规车辆，其动力学模型包含与驱动系统、垫升系统、地面条件等有关的多个参数，属于大滞后的高阶非线性时变系统。

Secondly, by applying inverse Fourier integral transform to the displacement, and uniting the constitutive and geometrical equations, the analytical expression of stress in Laplace domain were derived. Thirdly, by defining dislocation density functions, the Cauchy singular integral equations were obtained according to the boundary condition and interface connection conditions, and the problem was reduced to algebraic equations by Chebyshev orthogonal polynomial. Based the these, the unknown coefficient of the algebraic equations can be solved by Schmidt method. Finally, the time response of dynamic stress intensity factor and energy release rate are obtained by inverse Laplace transform.

首先，利用积分变换方法，推导出粘弹性层的控制方程组；其次，引入位错密度函数，并结合边界条件和界面连接条件，导出反映裂纹尖端奇异性的Cauchy型奇异积分方程组，然后，应用Chebyshev正交多项式化奇异积分方程组为代数方程组，并采用Schmidt方法对其数值求解，最后，经过Laplace逆变换，求得动态应力强度因子和能量释放率的时间响应。

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。