However, most blasting processes have very complex mechanism, a lot of influencing factors and high severe nonlinearities, so simple mathematical equations is difficult to describe these processes.
但岩体爆破过程常常机理复杂，影响因素繁多，高度非线性，很难用具体的数学方程来描述。
Third-order optical nonlinearities of salts of planar complex cations and planar complex anions were studied by DFWM at 1.
采用简并四波混频方法对平面型络合物阳离子和平面型络合物阴离子所成盐的溶液的三阶光学非线性在1。
Third-order optical nonlinearities of salts of planar complex cations and planar complex anions were studied by DFWM at 1.
采用简并四波混频方法对平面型络合物阳离子和平面型络合物阴离子所成盐的溶液的三阶光学非线性在1。
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