结果表明，晶格对称结构和空气孔形状对带隙大小有影响。
The results show that the lattice symmetry and the shapes of the air holes can affect band gap size.
给定晶格对称结构，选择具有相同对称形状的空气孔能得到较大的绝对光子带隙。
Given a lattice symmetry, larger absolute photonic band gap was achieved by selecting an air hole shape of the same symmetry.
非局部体力矩引起应力的非对称性，而非局部体力矩则由原子晶格相互作用形成的共价键所产生的。
The nonlocal body moment causes the stress asymmetric and itself is caused by the covalent bond formed by the reaction between atoms.
并从超晶格的对称性出发讨论了反铁磁-反铁磁超晶格和铁磁-铁磁超晶格之间的异同。
The similarities and differences between the magnetic properties of AFAFS and that of ferro-ferromagnetic superlattice are discussed.
矿物晶体腐蚀像是一种研究晶体对称、晶格缺陷等传统的方法。
Crystal etching, a traditional method to study the crystal symmetry and crystal defects, should be a new application in modern mineralogy.
本文分析了氮化硼纳米管的结构对称性，并对其晶格振动模的对称性进行了分类。
In this paper, we analyse the structure of single wall boron nitride nanotubes and classify the vibration of the crystal lattice.
指出晶格不具备五度及六度以上对称轴的双轴证明是正确的。
It is pointed out that the demonstration is right on the nonexistence of 5-fold and greater than (6-fold) symmetry axis in crystal lattice by double axis.
指出晶格不具备五度及六度以上对称轴的双轴证明是正确的。
It is pointed out that the demonstration is right on the nonexistence of 5-fold and greater than (6-fold) symmetry axis in crystal lattice by double axis.
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