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On the Focal Distance Formula of Lens in Varied Shapes
Author(s): 
Pages: 72-74
Year: Issue:  2
Journal: JOURNAL OF TANGSHAN TEACHERS COLLEGE

Keyword:  透镜焦距公式;
Abstract: 采用直观的方法得出了空气中各种形状的薄透镜的焦距公式,使其物理意义更加明显.
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