请输入您要查询的英文单词:
单词
iris diaphragm
释义
iris diaphragm
noun
:
an adjustable diaphragm of thin opaque plates that can be turned by a ring so as to change the diameter of a central opening usually to regulate the aperture of a lens (as in a camera or microscope)
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schweizerdeutsch
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更新时间:2025/7/30 6:44:40