The scientists found that the precursor wave front of a single photon always travels at c, like the signal velocity of large groups of photons.

科学家发现，单个光子的前驱波头一般以光速c传播，就像由大量光子携带的信号的传播速度一样。

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We are sure that the main wave packet cannot travel faster than the precursor, which travels at c.

我们确定，主波包传播的速度不能超越以光速c传播的前驱。

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In contrast to other similar schemes based on characteristic method, the C-I scheme gives a clear view for down-going and upcoming wave fields.

与基于特征法的其它类似方法相比，C - I法给出了下行和上行波场更明确的描述。

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So, now I hope you have in your mind a picture of the way the Greek world had expanded by the time this wave of colonization was complete--pretty complete, sometime in the seventh century B.C.

希望现在你脑海中有一幅,那时候希腊世界扩张的地图,在公元前七世纪的某一阶段,形成了一个完整的殖民浪潮,相当完整

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As for the bottoming targets for this e-wave, while both the a-wave and c-wave bottomed at the 29 level, it is quite possible that this is the target for this e-wave as well.

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So, at this time, we will watch to see if 5 waves will complete the a-wave, or if we are in the b-wave, with a nice opportunity set up to short USO for a c-wave down to at least 32, with the potential to drop all the way down to 29.

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Corrections tend to unfold in three-wave patterns, labeled A, B and C.

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