pair-production成对产生
pair electron production电子对效应
greconsumedr pair conditionersity production多量临蓐
pair production coefficient对产生系数
hyperon pair production超子对产生
top quark pair production顶夸克产生
internal hemorrhage pair production内电子对产生
magnetic pair production磁对产生
quark pair production夸克对产生
N(名词) the production of an electron and a positron from a gamma-ray photon in a strong field as that passes close to an atomic nucleus 电子偶的产生