Using ultraviolet light, we can see the spectral signature of each component part of the pigment.

通过利用紫外光，我们可以看到颜料各个组成部分的光谱特征。

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When you select the corresponding property, you can see the change in the method signature at the top of the page.

当您选择了相应的属性，您就能看到这一页顶端的方法签名的变化。

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"I have no specific knowledge," Dr. Cohen said of Israel and the Stuxnet worm. "But I see a strong Israeli signature and think that the centrifuge knowledge was critical."

当提到以色列和超级工厂病毒的时候，科恩说：“我不懂专业，但是我看到以色列一个强劲的信号，感觉到离心机知识至关紧要。”

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After her over-the-top roles in "Bridesmaids" and "Pitch Perfect, " we can't wait to see her signature comedy style on the annual awards show.

CNN: Rebel Wilson to host MTV Movie Awards

See the latest signature thresholds.

WHITEHOUSE: Our Top Stories

But you'll see lots of his signature images in the airports, on the streets or in fast-food joints.

FORBES: Mr. Uniform