达盖尔银版是一种独特的图像，它可以再现相机镜头前微小的、无选择性的细节，而且是不可复制的。

The daguerreotype was a unique image that reproduced what was in front of the camera lens in minute, unselective detail and could not be duplicated.

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当操作系统的3.0版本发布后，即使是更新也非常微小，只是添加了首版中缺少的几个基本功能。

When version 3.0 of the operating system came out, even the updates were minimal and only added essential functionality missing from the first release.

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即使有差异，也是极其微小的，只有C调与升C调之间音高差异的十分之一。 《美国声学学报》电子版刊登了上述发现。

And the slight variations in frequency that do exist are only a tenth of the difference between a C and a C sharp.

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