释义
n.
the action or process of magnifying something or being magnified, especially visually
放大
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visible under high magnification .高倍放大后可见的。
[count noun]the degree to which something is or can be magnified
（可）放大的程度
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at this magnification the pixels making up the image become visible .放大到这样的程度后，形成图像的像素能用肉眼看到。
[count noun]the magnifying power of an instrument
放大率，放大倍数
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this microscope should give a magnification of about ×100 .这台显微镜应该能放大１００倍左右。
[count noun]a magnified reproduction of something
放大的复制品。