perturbative
/pəˈtɜːbətɪv/ 56relating to or involving the deviation of a system, moving object, or process from its regular or normal state or path."perturbative quantum gravity"
adjective [原级]使混乱的；扰乱性的
Using the perturbative method the asymptotic solution of the corresponding model is obtained.
利用摄动方法求出了相应模式的渐近解。
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