地动仪的研究涉及历史和科学的统一。古籍文字的主要部分是对测震现象的描述，研究的学术观点和模型尽可不同，但地震学基本概念和原则是需要遵循和坚持的，方能正确把握和解读史料。针对一些专业认识上的误解，本文以地震学的基本概念和学科发展史实为依据作了必要的澄清和纠正，诸如地动仪的反应方向、对地震和非地震的不同反应、陇西地震的量化分析、地震学的实验检验、在地震科学史上的作用等。还对个别的脱离实际却被媒体高调宣传的模型实验，指出了其原则性失误。地动仪研究的重点并不局限于重建一个模型，更要探寻古人如何发现和利用了自然规律，学习和掌握地震学的基本知识。

There should be a unity of thinking between history and science in research on the Zhang Heng's seismoscope. The major part in relevant historical literatures was written in a form of describable words for seismic phenomena. In spite of different conclusions made of the studies,the basic concepts and principles of seismology should be observed,which make up research basis and significance for correctly interpretion and analysis of historical documents. Because there are a number of discipline misunderstandings in seismology, clarification and correction are presented briefly based on seismological basic knowledge and history of science development. The discussed topics include:response direction of the instrument,distinction between seismoscope and alarm,quantitative range of parameters of the Longxi earthquake, seismological test and functions in seismology history. The paper also analyzes certain principal mistakes of some experiments which have been highly reported by media. It is worthwhile to point out that the purpose of reconstruction study is not confined on restoring a model;more valuable rewarding comes from searching on how ancients discover and used laws of nature,knowing well and analyzing their experience from the view point of modern science,so that we can have more inspiration and seismology knowledge.

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