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本文论述了利用单片微机８９Ｃ５１在膜天平中的控制应用。同时，对近年来在生物医学领域日益被广泛应用的膜天平向读者作较简单的介绍。
This article discusses the use of single-chip microcomputer 89C51 in the membrane balance control applications. At the same time, to the reader is more simple introduction to the membrane balance which is widely used in the field of biomedicine in recent years.