Thecombination of this unusual X-ray and optical emission makes this aremarkable object.

这一不寻常的X射线和光发射的组合使它成为一个显著的对象。

youdao

The combination of this unusual X-ray and optical emission makes this a remarkable object.

这一不寻常的X射线和光发射的组合使它成为一个显著的对象。

youdao

It is a problem related to variable factors by optical emission spectrometry to analyse calcium in steel.

利用发射光谱分析钢中钙，是一个涉及多个可变因素的问题。

youdao

What you would see, says Fender, is emission in the x-ray, radio, infrared or optical.

FORBES: Free-Floating, Nearby Black Holes Detectable By Decade's End, New Study Reports

But the scientists are confident the object is a pulsar, rather than a regular neutron star, because of its high-energy emission and the fact that it doesn't show up in optical wavelengths.

MSN: Runaway star may be fastest pulsar yet - Technology & science - Space - Space.com | NBC News