俞敏〈後漢三國梵漢對音譜〉一文的梵漢對音顯示了一種特殊的對音現象：漢語有部分鼻音聲母字對譯梵文的同部位的清或濁塞音聲母字，部分清或濁塞音聲母字也可以對譯梵文的同部位鼻音聲母字，本文從諧聲系列、出土文獻通假、漢藏同源詞、漢語同族詞與中國少數民族語言等材料去嘗試探討同部位的鼻音和塞音的接觸現象，認為這是先秦古漢語中同部位的鼻冠塞輔音聲母存在的痕跡

Yu sensitive an article's buddhist Chinese has demonstrated one kind specially to the sound to the sound phenomenon: Chinese has the part of nasal initial consonant character to translate Sanskirt's same spot noiseless or the noise plosive initial consonant character, distinguishes noiseless or the noise plosive initial consonant character may also to translate Sanskirt's same spot nasal initial consonant character. This article from the pictophonetic characters series, the unearthed literature interchangeable uses and borrowed uses, the Chinese hides the homologous word, Chinese consanguinity word and materials and so on China minority language attempts discusses the same spot the nasal and the plosive contact phenomenon, thought that this is in pre-Qin ancient Chinese the same spot nose crown fills the consonant initial consonant existence the trace