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。

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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。

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As this wave of progress ripples through the country, though, one group of people has been prominently left behind.

这个进步的浪潮席卷了全美国，但是有一群人却明显地被遗忘了。

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The group says less time passes for an earthquake shock wave to reach a measuring instrument than in the past.

VOA: special.2009.03.17

so first of all, Cal Tech has a very strong group in gravitational wave physics,

首先，加州理工引力波物理的师资很强，

一见钟情的学校 - SpeakingMax英语口语达人

"Julian and I bonded over Scritti Politti, " Mr. Bing said, referring to the British New Wave group.

WSJ: Fol Chen Reveals Its Faces | By Jim Fusilli

Two of the companies in the group, New Wave Bottoms and New Wave Style were located, respectively, on the second and the 6th and 7th floors of the collapsed building.

NPR: At A Glance, Bangladesh Building Collapse

New wave group The Rubinoos toured and recorded from 1975 to 1983 and had a hit with a cover version of Tommy James and the Shondells' I Think We're Alone Now.

BBC: NEWS | Entertainment | Avril Lavigne rejects copy claim