影响各向异性的主要因素有岩石的结构构造、矿物的晶格优选方位（LPO）、形态优选方位（SPO）和定向微裂隙。
Seismic velocity anisotropies are mainly caused by lattice preferred orientation( LPO) , shape preferred orientation( SPO) of the major minerals, and oriented microcracks.
缺陷晶格的构造与研究是实现全光子集成器件的重要课题。
The fabrication and research of lattices with defect are a important task for the implementation of the all integrated photonic devices.
由一个正方介质柱和两个圆介质柱构造一个二维正方复式晶格的光子晶体。应用平面波展开的方法研究了光波在其中的传播规律。
The photonic band structures of two-dimensional square compound lattices made of two kinds of dielectric cylinders are calculated by the plane-wave method.
由一个正方介质柱和两个圆介质柱构造一个二维正方复式晶格的光子晶体。应用平面波展开的方法研究了光波在其中的传播规律。
The photonic band structures of two-dimensional square compound lattices made of two kinds of dielectric cylinders are calculated by the plane-wave method.
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