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本刊曾于1994年No2上发表过作者的题为《超声波氨水浓度在线分析仪的研制》一文,本文系该文的续篇,着重介绍该仪器的技术特点和应用。
This article was published in No2 in 1994, the author entitled “on-line ultrasonic ammonia concentration analyzer” article, this article is the sequel to the article, highlighting the technical features of the instrument and its application.