“Petzval surface”的概念、定义、翻译、参考文献-科学参考

单词	Petzval surface
释义	Petzval surface [`pets·väl ´sǝr·fǝs] ^OPTICS A paraboloidal surface on which point images of point objects are formed by a doublet lens whose separation is such that astigmatism is eliminated.
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