And as the two giants struggle, they heave this fluid back and forth — creating massive waves called baryonic acoustic oscillations.
当这两个巨人搏斗时，它们揉捏着这流体——产生名为重子声学振荡的巨大波纹。
Acoustic oscillations
原声例句
双语版 TED-Ed 演讲精选
英语百科
Baryon acoustic oscillations
In cosmology, baryon acoustic oscillations (BAO) are regular, periodic fluctuations in the density of the visible baryonic matter of the universe. In the same way that supernova provide a "standard candle" for astronomical observations, BAO matter clustering provides a "standard ruler" for length scale in cosmology. The length of this standard ruler (~490 million light years in today's universe) can be measured by looking at the large scale structure of matter using astronomical surveys. BAO measurements help cosmologists understand more about the nature of dark energy (which causes the apparent slight acceleration of the expansion of the universe) by constraining cosmological parameters.
- mouth joystick switch的意思
- Mouthkote的意思
- mouth lamp的意思
- mouthless的意思
- mouthless monster的意思
- mouthlike的意思
- mouthliker的意思
- mouthlikest的意思
- mouthline的意思
- mouthlines的意思
- mouthly的意思
- mouthly average daily traffic volume的意思
- mouthly average daily traffic volume, MADT volume的意思
- mouth mandrel的意思
- mouth mask的意思
- mouth medication的意思
- mouth mirro的意思
- mouth mirror的意思
- mouth mirror holder的意思
- Mouth mucosa的意思
- mouth mucous membrane的意思
- Mouth Music的意思
- mouth neoplasia的意思
- mouth neoplasm的意思
- Mouth Neoplasms的意思