A new experimental scheme of measuring lens focal length has been put forward on the basis of the improved laser plate shearing interference method.
本文在改进的激光平板剪切干涉法基础上，提出了测量透镜焦距的一种新的实验方案。
The refractive-index distribution in glass was determined by shearing-interference method.
用干涉剪像法测定了玻璃表面的折射率分布。
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