As the optical precursor and main wave packet traveled through a second group of rubidium atoms, the scientists took measurements on the speed of the two photon components.
随着光前驱和主波包通过第二组铷原子，科学家就可以对这两个光子成分的速度进行测量。
2
Competing factions emerged in what seemed to become a bloody succession battle, even as the group suffered from a wave of arrests, defections and surrenders.
即使该组织不少成员相继被抓、叛变或投降，但各派系的互相争斗似乎仍将演变为惨烈的夺位之战。
3
As this wave of progress ripples through the country, though, one group of people has been prominently left behind.