1. danci.911chaxun.com
1. （spectrum 的复数形式之一）
Spectra is a plural form of spectrum.
1. Rage overwhelmed Egypt's popular and political spectra over the attack, amid demands to reveal the circumstances behind it and the identities of the executors.
2. That's an instrument sent on helium balloons to measure the composition and energy spectra of cosmic rays from 35 kilometers above Antarctica.
3. Every 500 m, the plane will take a spectra photograph of an area covering 3 sq km.
4. In the past four decades, unemployment rate has been painting French political spectra.
5. spectra是什么意思
5. After Yu returned to Beijing, she and other experts compared the sound spectra of the birds in the different cities.