本文介绍一种用透射光做牛顿环实验的方法，并从理论上证明了这种方法的可行性。
A method of making Newton rings experiment with the transmission light is introduced. The feasibility of the method is proved in theory.
普通物理实验中，牛顿环干涉实验只考虑在凸透镜与平面玻璃之间形成空气薄膜下的干涉现象。
In interference experiments with Newton's ring, considered only is the interference of the air film formed between the convex lens and the plain glass.
通过系统地分析牛顿环实验中的误差，找出引起误差的原因，使学生在实验中尽量避免误差的出现。
The paper points out the causes of errors through thorough analysis on the errors in Newton , s link experiment so that students can avoid such errors.
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