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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The digital services tax now awaits the signature of President Emmanuel Macron, who has expressed support for the measure, and it could go into effect within the next few weeks.

数字服务税目前正在等待法国总统埃马纽埃尔·马克龙的签署，他已经表示支持这项措施，可能会在未来几周内生效。

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Listing 5. The signature of poll API.

清单5 . poll API的签名。

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The president's signature domestic policy initiative, health care reform, faces one last round of congressional negotiation and debate before approval.

VOA: standard.2010.01.06

But, I also read a poem, and this is kind of a signature-- not my signature, but the kind of course it is.

不过我还读了一首诗,算是一种签名,不是我的签名,是这种课程的

耶鲁公开课 - 1871年后的法国课程节选

The cell divides, and divides, and divides many, many times and that's one of the signature events of embryogenesis until we have many, many cells that make up our bodies.

细胞不断分裂,持续进行,那是胚胎发育中,一个标志性的过程,在那之后,我们就有了许许多多构成我们身体的细胞

耶鲁公开课 - 生物医学工程探索课程节选

The measure awaits the signature of Uruguay's president, who has indicated he supports it.

CNN: French lawmakers approve same-sex marriage bill

The look, the feel, the very idea, is almost becoming a signature of the brand.

ENGADGET: Korg announces Volca analog synth series, we go eyes-on

It would be helpful to recognize that criticizing U.S. government is not a signature of radicalization.

NPR: NYPD Probes Path of Homegrown Terrorists