[mass noun]the action or process of magnifying something or being magnified, especially visually 放大 visible under high magnification. 高倍放大后可见的。 ■[count noun]the degree to which something is or can be magnified 放大的程度 at this magnification the pixels making up the image become visible. 通过这种程度的放大组成图像的像素就看得见了。 ■[count noun]the magnifying power of an instrument 放大率,放大倍数 this microscope should give a magnification of about ×100. 这台显微镜应该能放大大约100倍。 ■[count noun]a magnified reproduction of something 放大的复制品