He found the blue light, and made her a signal to draw him up again.

他找到了那盏蓝灯，给了她一个信号，让她把他拉上来。

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The bright colors on the blue background indicate that an anomalous signal was received here on Earth by a radio telescope involved in a Search for Extraterrestrial Intelligence (SETI).

在蓝色背景上的明亮颜色表明在地球上收到了一个不寻常的信号，它来自于搜寻地外文明计划（SETI）的一台射电望远镜。

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This was a clear signal that Blue Insight was not yet about centralizing governance.

这是一个明确信号，表明 Blue Insight 不是要集中治理。

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The red, green and blue components of the signal are fed into three separate high-definition cathode-ray tubes (in effect, fancy black-and-white televisions).

ECONOMIST: Curtains for celluloid

One buy signal: Transportation stocks are rising in tandem with the blue-chip index, an occurrence that many investors view as a harbinger of more gains.

WSJ: As Confetti Settles, Strategists Wonder: Will Dow's Rally Last?

Using a specialized sub-pixel signal processing for Sharp's red-green-blue-yellow Quattron pixel panel, the next genesis of Quattron will allow the control and use of these colors individually, enabling the reproduction of double resolution in one singular pixel.

ENGADGET: Sharp AQUOS Ultra HD, 1080p HDTVs eyes-on HD