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。
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