So, in order to reasonably exploit, utilize and protect the ground water resources, it is important to study the ground water in North China within a large-scale domain.
因此，从大区域角度研究华北平原地下水，对合理开发、利用、保护地下水资源，具有十分重要的意义。
The results may better reflect the non-stationarity of ground motion in time domain and are closer to reality than those by wave theory and stationary random vibration theory.
由于这种方法能较好地反映地面运动的时域非平稳性，所以得到的计算结果更真实。
The EMP cortically induced current in coaxial cables near the ground is analysed by using Finite-Difference Time-Domain method in this paper.
本文采用时域有限差分法，分析电磁脉冲作用下，地面附近同轴电缆所感应的外皮电流。
FDTD(Finite Difference of Time Domain) algorithms applied in ground echo calculation at present have the disadvantages of slow speed or large errors.
目前在超宽带地面回波计算中所使用的FDTD（时域有限差分）算法计算量较大或者存在较大误差。
Maxwell's equations can be discretized by finite difference time domain (FDTD) to simulate ground penetrating radar (GPR).
利用时间域有限差分(FDTD)法将麦克斯韦方程进行离散化，可以对地质雷达进行数值模拟。
Viewed historically, aesthetics has established its domain by making use of the camping ground of poetics.
从历史上看，美学其实一直是借诗学的营地来构建自身的地盘。
By use of general FEM software and the time-domain difference of ground resistance, the structure history analysis programs with consideration of soil-structure dynamic interaction was developed.
基于通用有限元软件和地基阻抗力时域差分形式，完成了考虑土–结构动力相互作用影响的结构时程分析程序二次开发。
A method for deriving the smoothed ground surface from CMP datum of static correction is given to form a common datum for velocity spectrum, time-depth conversion and depth migration in depth domain.
本文还给出了根据（静校正的）CMP基准面计算地表圆滑面的方法，统一了深度域中速度谱、时深转换和深度偏移的基准面。
The resemblance between the source domain and the target domain in the conceptual system serves as the ground of this cognitive process.
委婉语隐喻的认知基础是在我们的概念系统中的源域和目标域概念之间的相似性联想。
A new method which improves the fitting accuracy of artificial time history of ground motion to the target response spectrum by superimposing narrowband time histories in the time domain is proposed.
提出了一种在时域内叠加窄带时程的方法以提高人造地震动时程对目标反应谱的拟合精度。
A new method which improves the fitting accuracy of artificial time history of ground motion to the target response spectrum by superimposing narrowband time histories in the time domain is proposed.
提出了一种在时域内叠加窄带时程的方法以提高人造地震动时程对目标反应谱的拟合精度。
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