短語詞組短語lower dopant concentration 摻雜濃度較低substrate dopant concentration 襯底濃度surface dopant concentration 表面雜質(zhì)濃度critical dopant concentration 臨界摻雜濃度high dopant concentration 高摻雜濃度dopant concentration detail 雜物濃度optimum dopant concentration 最佳摻雜濃度nonuniform dopant concentration fiber 非均勻摻雜光纖nonuniform dopant concentration 非均勻摻雜 返回 dopant concentration