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Fourier transformation in time domain and frequency domain is one of the main methods for modern railway signal detection.

时域分析和傅氏变换的频域分析方法是现代铁路信号检测的主要方法之一。

The domain derivative of the Navier-Stokes equations is given in the same manner as the Stokes equatons' domain derivative by reducing to homogeneous equations and proving continuous character and existence of Frechet derivative .

同样利用对非齐次方程的齐次化、证明目标函数对区域的连续性和其导数的存在性，同时给出了定常Navier-Stokes方程的区域导数完整的理论证明。

According to the space domain iteration method of the Fredholm integral equation of the first kind, the wave number domain iteration formula is deduced for calculating the wave spectrum of the potential field on a lower horizontal plane.

根据第一类Fredholm积分方程的空间域迭代解法，推导出计算向下延拓水平面上位场波谱的波数域迭代公式。

In this dissertation, two methods were adopted to build dynamics model for vehicle ride comfort analysis: one is eight freedom vehicle ride comfort differential equation model in which lateral movement of driver and vehicle body was considered. Combined with time domain model of random road input, we got the driver and vehicle's moving displacement. The other method, we built a Forland truck virtual prototyping using ADAMS, it is a 3D machine model, totally with 596 freedom degrees, every factor that influences the vehicle ride comfort was considered, finally complete the time domain simulation on random road input.

本文采用两种方法建立了车辆平顺性分析的动力学模型：8自由度车辆平顺性分析的微分方程模型，考虑了驾驶员和车体的侧倾，结合随机路面激励的时域模型，在B级路面输入条件下，进行了时域仿真求解，得到车辆和驾驶员在汽车坐标系中各个方位上随时间历程的运动位移；利用ADAMS软件建立的福田小卡汽车，共计596个自由度的三维实体整车虚拟汽车模型，全面地考虑了影响平顺性的各种因素，然后通过对路面功率谱的变换生成适合于ADAMS/Tire的路面文件，实现了整车虚拟样机在随机输入激励下，车辆振动模型的时域仿真求解。

There are two distinct methods in optical fiber sensor system for the observation of such fringe pattern and these can be identified as spectral domain processing, and phase domain processing.

这里研究用两种不同的方法在光纤传感器系统来观察这样的条纹图样，即光谱域处理方法和相位域处理方法。

Below this kind of circumstance, the leading group of grand celestial bodies thinks to want to break through in CAD domain, must extend business to domain of fundamental platform software.

在这种情况下，浩辰的领导班子认为在CAD领域要想突破，就必须把业务拓展到基础平台软件领域。

Information and library science and knowledge management has respective research object and the territory of research, but the mutual fusion each other may bring the new development opportunity in the fundamental research domain and the practice domain aspect for both sides.

图书情报学与知识管理有着各自的研究对象和领域，但是二者在理论研究和实践方面的相互融合都可为对方带来新的发展机遇。

The personage inside course of study expresses, the domain name is all Internet application and the root that enterprise informatization applies, CNNIC puts forward build a business for fundamental compose with the domain name sincere letter system, will be our country Internet sincere letter construction offers new settlement method.

业内人士表示，域名是一切互联网应用和企业信息化应用之根，CNNIC提出的以域名为基础构建企业诚信体系，将为我国互联网诚信建设提供新的解决路径。

By integral transformation of basic equations, the stress and displacement expressions with unknown coefficients of elastic and viscoelastic materials were obtained in Laplace domain respectively, and introducing dislocation density functions, the singular integral equations were got according to the boundary conditions and interface connection conditions, further adopting Gauss integration and Gauss-Jacobi integration formula, the problem was reduced to algebraic equations, then it can be solved with the method of collocation dots in Laplace domain. Finally, the time response of dynamic stress intensity factor was calculated with the inverse Laplace integral transformation.

采用积分变换方法，得到Laplace域内弹性和粘弹性材料的应力和位移的含未知系数的表达式；引入位错密度函数，并通过边界条件和界面连接条件，导出反映裂纹尖端奇异性的奇异积分方程组，采用Gauss积分，并运用Gauss-Jacobi求积公式化奇异积分方程组为代数方程组，利用配点法进行求解；最后经过Laplace逆变换，求得动态应力强度因子的时间响应。

Article 33 The service agencies of domain name registration that have carried out Internet domain name services before the implementation of these Measures shall, within 60 days from the day on which these Measures come into force, go through the procedures for reporting for record according to these Measures.

第三十三条在本办法施行以前已经开展互联网域名注册服务的域名注册服务机构，应当自本办法施行之日起60日内，按照本办法的规定办理备案手续。

If I didn't care what anyone thought, I would.....

如果我不介意别人怎么看，我会。。。。

In recent decades, Chile has mandated earthquake-proofing for new structures, requiring that materials like rubber and features like counterweights be built into the architectural designs to allow buildings to bend and sway during temblors rather than break.

在最近数十年里，智利已经为兴建防震的新土建结构而对建筑材料提出要求，需要的材料类似于橡胶，而特性就象运用在建筑设计中的平衡物体，一旦应用以后，当地震发生时建筑就能弯曲摇摆。