For the P-SV wave travel time, it also can be expressed exactly by a three-term Taylor series in short or moderate spreads.
SV波的传播时间也可用三项泰勒展式表达，在中等及短排列长度时可达到一定精度。
The refractive indices at 12 wave lengths in the visible region were measured with the minimum deviation method, showing that KABO is a negative uniaxial optical crystal with moderate birefringence.
用最小偏离法测试了可见光区十二个波段处的晶体折射率，结果表明KABO晶体属负单轴晶，具有适中的双折射率。
The refractive indices at 12 wave lengths in the visible region were measured with the minimum deviation method, showing that KABO is a negative uniaxial optical crystal with moderate birefringence.
用最小偏离法测试了可见光区十二个波段处的晶体折射率，结果表明KABO晶体属负单轴晶，具有适中的双折射率。
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