查询词典 three dimensional space

By considering the finite spread in beam longitudinal momentum and the effect of finite space-charge field of the electron beam,the dispersion relation of IRL instability is derived ,and the growth rate of IRL wave and the linear damping rate of the space-charge wave are also got.

利用动力学理论对一种新型自由电子激光──离子波纹激光进行了研究，考虑电子束的纵向动量离散和空间电荷场效应，导出了IRL不稳定性色散关系，求得了IRL辐射波的增长率及电子束空间电荷波的线性阻尼率，并对其进行了讨论，得到了一些结论。

The diversifications of abnormal peaks of dielectric constant and loss were clarified by space-charge model, and during phase transitions, the common-body contradiction was proposed qualitatively between the effect of space-charge model with hopping cation by changing frequency and that of current-carrier scattering by their structural transitions, their co-contributions decided the change behaviors of dielectric constants and loss.

以不同化学微畴的空间电荷模型讨论了相应介电峰和损耗峰的变化机理，提出在频率改变时畴中阳离子跃迁形成空间电荷的效应和相变所带来的载流子散射效应是一对矛盾共同体，它们间的贡献对比决定了介电常数和介电损耗的变化行为。

The space variation characteristic of different layer soil organic matter and total nitrogen is different, but the structure factor plays a leading role in the space variation of full nitrogen and organic matter.

不同层次土壤有机质与全氮的空间变异特征具有一定的差异，但结构性因素对有机质与全氮的空间变异起主导作用。

For example, in the research of the space distributing structure of a certain pollutant in the atmosphere, space variation of the pollutant in the soil, design of pollution monitoring net of groundwater, and the v...

首先概述了研究的目的及意义，阐述了克里格方法在水环境系统中的应用情况，然后介绍了克里格方法的基本理论和方法，进而重点讨论了纯时间域和时空域克里格的性质和建模方法，最后将纯时间域克里格方法应用到地表水评价中，预测了某湿地未来几年的水质变化趋势，验证了该模型方法在地表水评价的水质预测方面是可行的。

Through those atlases, we can study the space and time distribution characteristic of cities in the different spatial criterion, dynamically analyzing the process of the city growth, gather and the proliferation, carry on the analysis and the research to the city space and time variation process, and promulgate rule which the city expands to provide the policy-making basis for the urban planning and development.

通过这些图谱能够在不同的空间尺度上研究城市的时空分布特征，动态分析城市的生长、集聚与扩散的过程，对城市的时空演变过程进行分析和研究，揭示城市扩展的规律，为城市规划、城市发展提供决策依据。

The model makes discretizations in time and in space charge region and is able to reflect the development and variation of multilayer space charges with different polarities.

通过模型计算，可以自动生成衰减振荡波和双指数雷电波等快速冲击波形下的电晕伏库特性，且计算结果与试验结果较好地吻合。

The fourth part from the analysis summary porch space rule, the variation rule obtained, proposed the porch space the principle which should follow in the design.

第四部分从分析总结廊空间的规律、变异规律入手，提出了廊空间在设计中应遵循的原则。

The objective is to explore the time and space distribution rule in the urban land usage extension of Beijing and the connection to the population changes in time and space distribution.

本文利用GIS技术对北京市1990年、2000年两个时期的土地利用进行空间分析，旨在探索北京市土地利用变化的规律与模式及其与人口分布变化的关系。

In conclusion, The application of automatic warehouse with less floor space and better space utilization ratio has been popularizing gradually.

总之，立体仓库因其较小的占地面较佳空间利用率，应用正逐渐普及。

And it makes an analysis of the effectiveness and function of the cluster to the layout of Nanjing city from the industrial space, urbanization ratio, urban space and etc.

从产业空间、城市化率、城市空间等方面分析了南京城市开发区群对南京城市空间布局的影响和作用。

The production moved off-Broadway to New York City, where she won the Joseph E. Calloway award for her performance, and was profiled in American Theater Magazine as one of ten young theater artists to watch.

生产提出过百老汇的新的纽约市，在那里她赢得了约瑟夫calloway奖，她的表现，并于异型在美国的战区杂志之一， 10战区的青年艺术家观赏。

It's a risk tradeoff, and I believe that adding test support code usually wins.

这是一个风险的权衡，我相信添加测试代码通常会占上风。