分析了CCD芯片像素水平尺寸大小和中间镜对成像质量的影响。

The influence on metallograph quality by CCD pixels, size and middle lens was analyzed.

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现在我们已经知道了这个标签的尺寸，让我们将基线放置在距离图像顶部40像素的位置并使其水平居中。

So now that we have the label dimensions, let's place the baseline 40 pixels from the top of the image and center it horizontally.

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然后软件会大大降低经过剪裁的图像的分辨率，降低到仅有40个像素乘以40个像素的水平（像素太高的话数据库就会非常大）。

Then the software drastically reduces the resolution of the cropped image, to only 40 pixels by 40 pixels.

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