My factory is enterprise of a state-operated, produce dynatron of crystal of medium, small-power.

【摘要】我厂是一家国营企业，生产中、小功率晶体三极。

Based on the research on the characteristic of the dynatron component and parts of an apparatus, the concept of dynatron effect was educed, and the engendering mode and principle was discussed.

负阻元件特性究和分析的基础上引出负阻效应的概念,负阻效应产生方式和原理了论述。