Every image is different and the amount of resolution in your image will play a part in your feather amount required.

每个图像都是不同的，图像的像素量对于羽化值非常关键。

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In this case I want to put a small feather on the selection before we mask as even though I want a crisp line, it's very rare that you don't need at least a small amount of feathering.

在这个例子中，虽然我很希望边缘清晰，但是我要使选区有一点羽化。一点都不羽化的情况很少见。

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The amount of BPA the analysis found on the feather-weight scraps of paper were 250 to 1,000 times greater than other, more widely criticized sources carrying the toxin.

分析人员发现这种小小纸片上的BPA含量是之前那些饱受指责的含毒源的含量的250到1000倍。

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