The result showed that two - aniline - two schiffs bases has bigger nonlinear optical coefficient. It provides the theory foundation for go further research on good nonlinear optical materials.
结果表明：二苯胺双席夫碱类化合物具有较大的非线性光学系数，从理论上为进一步探索优质非线性光学材料提供依据。
The farther the explosion source is, the bigger the damage degree and the displacement of the surrounding rocks are. The accumulative damage effect has distinct nonlinear characteristics.
与爆源越近，围岩的损伤度和位移量越大，越远越小，且累计损伤效应呈现明显的非线性特征。
The farther the explosion source is, the bigger the damage degree and the displacement of the surrounding rocks are. The accumulative damage effect has distinct nonlinear characteristics.
与爆源越近，围岩的损伤度和位移量越大，越远越小，且累计损伤效应呈现明显的非线性特征。
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