等价范数 meaning in Chinese

equivalent norm

But , it is easy to see that the comparison result , in [ 3 ] is not applicable in the impulsive case . with the impulsive conditions , the paper [ 2 ] obtained by means of equivalent norm the existence of solutions and coupled mininal and maximal solutions of ivp ( l . l )
而文[ 3 ]中的比较结果不再适用于有脉冲的情形，文[ 2 ]在脉冲情形下，利用等价范数，得到了( 1 . 1 )解及藕合解的存在性。