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[数]周期性结构；周期组织
1、periodic inventory───[会计]定期盘存
2、etesian periodic───埃特斯周期
3、periodic sentences───掉尾句；圆周句（指主要意义至句尾始明白的句子）
4、periodic table───（元素）周期表；[化学]周期表
5、periodic trends───周期性
6、periodic───adj.周期的；定期的
7、structure───vt.组织；构成；建造；n.结构；构造；建筑物
8、periodic law───[数]周期律；门捷列夫氏定律
9、periodic sentence───掉尾句；圆周句（指主要意义至句尾始明白的句子）；圆周句（指主要意义至句尾才明白的句子）
1、The results show that disordered structure provides strikingly extended bandgap compared with the corresponding periodic structure.───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。
2、Condition of limiting light of nil suck nonlinearity periodic structure optical medium filled in F-P cavity are discussed in this paper.───讨论在F—P腔中无吸收的非线性周期结构光学介质的限光条件。
3、Methods for solving the band gaps and dynamic responses of periodic structure are summarized.───并对周期结构的带隙求解方法和导纳求解方法进行归纳。
4、Run length DSGM detection is presented. Feature detection and diagnosis are achieved with ECG steady periodic structure feature.───提出了结合心电图结构周期平稳性的游程差分样条梯度平均检测方法，实现快速有效的特征检测和诊断。
5、Both theoretical and experimental results highlight the interest of using a periodic structure for high frequency ultrasonic applications.───从理论和实验结果突出的利益，使用周期结构的高频超声应用。
6、Noisy images with a periodic structure can be cleared by utilizing optical periodic average method.───利用光学周期平均法能够清晰地描绘带有噪声的周期性图象。
7、In a periodic structure, the transport property can be well described by the Boltzmann's transport equation.───电子在周期性晶格中的传输行为，可由古典的波兹曼理论描述。
8、Phononic crystal (PC) is a kind of periodic-structure material, in which there exists acoustic or elastic wave band -gaps.───声子晶体是指具有声波或弹性波禁带的周期性结构材料。
9、bandgap(EBG)is a periodic structure with obvious bandstop characteristic.───隙结构 (E B G)是一种周期性结构，具有明显的带阻特性。
1、This paper considers the steam turbine blade group as a rotationally periodic structure and the complex constraint has been induced.
2、We mainly studied the extraordinary optical transmission through subwavelength periodic structure in metallic film.
3、Bragg structure is usually a kind of periodic structure with continuous corrugation phase, which has excellent mode selectivity and frequency selectivity properties.
4、The influence of atomic internal state population on its translational motion in a quantized standing wave cavity field with spatial periodic structure is investigated.
5、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.
6、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.
7、The angular dispersion formula of twodimensionally periodic structure in arbitrary oblique angle of incidence was presented based on the vector diffraction theory.