This structure can form a wave-guide in photon crystals and light can propagate in it with different selected frequency in photonic band gap with low loss.
该结构在光子晶体中构成光波导，能使光子禁带中不同的被选择的缺陷态频率的光子以极低的损耗通过。
With coaxial structure, it has no low-cut frequency. Therefore it might be one of the middle bandwidth slow-wave structure with high-power capacity.
由于其采用同轴结构，不具有低截止频率，因此可能是一种能够同时满足高功率容量和较宽带宽要求的慢波结构。
Rased on the experimental researches, the characteristic behavior of slab and wall structure with unbounded prestressing in the slab under low frequency cyclic loading have been studied.
通过低周往复水平荷载试验，对无粘结预应力板墙结构的工作特性，以及无粘结预应力筋在水平荷载下的变化规律进行了分析。
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