最普遍的做法是复制RUP生命周期结构。
The most common way to do this is by replicating the RUP lifecycle structure.
实施分类经营，调整森林经营周期结构；
但是，不同的准周期结构，局域模的性质不一样。
But different quasi- periodical structures have different localized resonant modes.
本文阐述了回转周期结构振动特性分析的有限无法。
The finite element method for vibration characteristic analysis of periodical gyro-structures is described in this paper.
针对压电周期结构中弹性波的局部化问题进行了研究。
Localization of elastic waves in periodic piezoelectric structures is studied.
周期结构在微波、毫米波和光波领域都有着广泛的应用。
Periodic structures are of considerable applications in the microwave, millimeter-wave and optic-wave regions.
最后，实验构建了具有不同周期结构的旋转和稳定涡旋晶格。
Finally, rotary and stationary vortex lattices with different periodic arrays are experimentally constructed.
本文阐述了如何用时域有限差分法分析平面周期结构的电磁特性。
In this paper, it is presented how to use FDTD to analyze the electromagnetic characteristic of the planar periodic structures.
根据现代关于晶间界面的研究可知，晶界和相界多具有二维周期结构。
According to the recent studies on interfaces in crystals, it is evident that most grain boundaries and phase boundaries have two dimensional periodic structures.
以叶片—轮盘结构为例，研究了循环周期结构的振动模态局部化问题。
By taking example for bladed disk assembly, the localization of vibration mode in cyclic periodic structures is studied.
研究发现，无序结构光子晶体与周期结构光子晶体相比其带隙显著加宽。
The results show that disordered structure provides strikingly extended bandgap compared with the corresponding periodic structure.
弹性波在无限长直线型失谐周期结构中传播时，会出现弹性波局部化现象。
As elastic waves propagate through disordered infinite linear periodic structures, localization phenomenon of elastic waves will appear.
本文报道用激光全息技术结合可见光光聚合制作周期结构的方法和物理机制；
Microfabrication of periodic structures by holographic lithography technology combining with visible laser-induce photopolymerization is developed in this paper.
本论文主要研究亚波长周期结构金属薄膜中的超传输现象和二阶非线性效应。
This thesis mainly shows the research of extraordinary optical transmission and second-harmonic generation from sub-wavelength structured metallic film.
测试结果表明，利用腐蚀方法得到的硅的(111)晶面周期结构平整光滑。
The results of testing show that the silicon (111) crystal plane is very smoothing by etching method.
基于弹性波传递矩阵方法，研究了失谐周期结构中弹性波与振动的局部化问题。
Based on the method of wave transfer matrix, the elastic wave and vibration localization in disordered periodic structures is studied.
布喇格结构通常是一种具有连续性波纹相位的周期结构，有良好的选模、选频特性。
Bragg structure is usually a kind of periodic structure with continuous corrugation phase, which has excellent mode selectivity and frequency selectivity properties.
为了计算周期结构包层多孔光纤的等效阶跃折射率，采用了全矢量基本空间充填模式法。
In order to calculate the equivalent step index of the periodic structure of the cladding holey optical fiber, all-vectorial fundamental space filling mode approach was utilized.
最后，通过实例阐明了从产品需求结构子树到整个产品全生命周期结构模型的构建过程。
Finally, the entire modeling process was illustrated by instance from the product requirement structural sub-tree to overall product lifecycle structural model.
在现代光学理论及应用中，经常要讨论周期结构介质中的散射问题，其中周期结构通常被称为衍射光栅。
The scattering problem in periodic structural mediums often discussed in the theory and applications of modern micro-optics, where periodic structural mediums are often called diffraction gratings.
而长周期结构采用规范设计反应谱或由地震危险性分析给出的场地设计反应谱计算所得的地震反应结果偏大。
The seismic response of the structure with long period will be over estimated, if the standard spectrum or the design spectrum given by seismic risk analysis is applied.
频率选择表面（FSS）是具有选择频率功能的一块金属周期结构，它可以被设计成低通、高通、带通、带阻滤波器。
A frequency selective surface (FSS) is a metallic periodic structure with frequency selective properties. Depending upon design, it may be low-pass, high-pass, band-pass, band-stop filter.
理论分析和数值实验均表明：多尺度数值方法对求解多孔复合介质周期结构的热传导和质扩散问题是可行的和有效的。
The theoretical analysis and numerical experiments show that the multiscale finite element method presented in this paper is very effective to solve above these kinds of problems.
就同一种准周期结构的系统而言，系统的厚度和入射波的入射角度对滤波频率以及共振模的品质因子都有重要的影响。
However, the thickness of the system and the Angle of incident waves also influence the frequency of wave-guide and the quality factor of resonant modes.
基于周期结构原理的钢轨振动模型能够考虑钢轨截面变形对振动的影响，本文给出了该模型的理论基础，并给出了算例。
In this, a model based on periodic structure theory is presented, it can take the cross-section deformation into consideration.
构建了介质柱间距变化的变周期结构以及介质柱半径线缺陷两种二维光子晶体模型，并将时域有限差分法用于其能带特性研究。
Two models of 2d photonic crystal of line defects and nonperiodic dielectric rods are established. The finite-difference-time-domain method is developed for the study of bandgap.
根据目前的实验研究报道，这种周期结构金属薄膜通常利用聚焦离子束刻蚀工艺来获得，器件的光学响应在可见光波段和近红外波段。
In most of the experiments reported to date, the perforated metal films were fabricated by the focused-ion-beam method, and their transmission enhancement was in the visible and near-infrared regions.
研究结果表明：在简谐地面加速度作用下，高频地震动也可以引起长周期结构产生很大的位移反应，且最大位移反应出现在结构的瞬态自由振动阶段。
It is concluded that the transient response to a high frequency harmonic ground motion can increase greatly the displacement response of structures, particularly for the long period structures.
元素周期表的结构似乎限制了潜在元素的数量。
The structure of the periodic table appeared to limit the number of possible elements.
元素周期表的结构似乎限制了潜在元素的数量。
The structure of the periodic table appeared to limit the number of possible elements.
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