综合比较了能产生理想的纯振动模式的特殊晶体的各项参数和性质，然后对镓酸锂和钛酸钡晶体的纯模方向进行了计算验证。
The qualities and parameters of the special piezoelectric crystals, which have specific directions were compared, and then the specific directions of LiGaO2 and BaTiO3 were calculated and proved.
给出了各晶系晶体一般声学模及高对称方向纯模的散射张量转动修正的确切形式。
The exact rotational correction of the scattering tensor related to general acoustic modes and pure modes in the higher symmetry directions, for different crystal systems, is presented.
给出了各晶系晶体一般声学模及高对称方向纯模的散射张量转动修正的确切形式。
The exact rotational correction of the scattering tensor related to general acoustic modes and pure modes in the higher symmetry directions, for different crystal systems, is presented.
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