Dark pulses don't degrade or bleed nearly as much as light pulses do, said Mirin.

“暗脉冲则不会被降低或者散开，几乎和产生光脉冲一样。”梅林说道。

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These include hemangiomas that are obstructing breathing or vision, and those that are ulcerated or bleed; or that distort facial features.

这些包括那些可以阻塞呼吸或视觉的血管瘤，及那些溃烂或流血的血管瘤，或扭曲面部特征的血管瘤。

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Relay valves convert a sustained air flow from a three-way pilot valve into a momentary pulse or bleed, which shifts a control valve and then closes.

延迟阀可调节从三通控制阀到瞬间脉冲或放气阀的空气流量，放气阀或瞬间脉冲改变控制阀，然后关闭。

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People who have this disease bleed from the nose or other openings in the body.

VOA: special.2009.05.26

Among the 7, 329 patients in both studies, patients were less likely to die, have strokes or bleed if they were given Exanta.

FORBES: Replacing Coumadin

The Polaroid Z340 camera gives you even more options for instant printing: choose the iconic Polaroid Classic Border Logo or full bleed and contemporary 3x4'' photos.

ENGADGET: Polaroid releases Z340 Instant Digital Camera, Gaga's Grey Label snapper still on the edge of glory

During childhood, hemiplegia is often caused by a stroke, like Peter's, when a bleed or clot damages part of the brain.

BBC: Two-year-old stroke victim is living with hemiplegia