开导波结构中存在束缚区与辐射区，而辐射区又可划分成天线区和截止区。
There exist two regions in open guiding wave structures, bound region and radiation region, and the radiation region is divided into antenna region and reactive region.
鉴于截止波导衰减标准的计算精确度要求很高，本文的讨论重点放在截止区。
In view of the higher computation accuracy of the attenuation standard of cutoff waveguides, the discussion of this paper paid more attention to the cutoff region.
在微波双极型晶体管中，收集区的厚度是影响其截止频率的一个重要因素。
The thickness of collector is one of the factors that limit cut-off frequency in microwave bipolar transistors.
截止2012年底，开发区拥有63家省级服务外包认定企业，服务外包产业已初具规模。
By the end of 2012, QETDZ has possessed 63 provincial service outsourcing enterprises, and service outsourcing industry has begun to take shape.
其耦合区为矩形同轴波导。 文中用边界元素法对矩形同轴波导的截止波长进行了计算。
The cutoff wavelength of the rectangular coaxial waveguide in the coupling region is calculated by boundary element method.
给出了两种色散方程并研究了该波导各模式截止频率与芯区手征导纳的关系。
Two kinds of dispersion equations are given and the relation between the cutoff frequency and core chiral admittance is studied.
截止到目前，在400个山羊牧场中，有60个已经被标志为感染区。
So far, some 60 out of 400 goat farms have been marked as infected.
而在脊区填充非均匀介质以后，截止波长更长，频散特性更好等。
More, the dispersion characteristic is better, the cut-off wavelength is longer when loaded inhomogeneous dielectric in ridge area, etc.
而在脊区填充非均匀介质以后，截止波长更长，频散特性更好等。
More, the dispersion characteristic is better, the cut-off wavelength is longer when loaded inhomogeneous dielectric in ridge area, etc.
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