This optical illusion, called the wagon wheel effect, also can occur in the presence of a strobe light.

这个错觉，被称为“马车轮效应”，也可能发生在有闪光灯的情况下。

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Flash or strobe light lets you photograph in dark places without having to increase your camera's ISO setting or use a tripod, as long as the subject is within the range of your light.

有了闪光灯，你就可以不用增加照相机的ISO刻度，或使用三脚架的情况下就可以在暗处拍照，只要拍摄物在闪光灯的有效范围里。

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The 9-year-old jack Russell terrier named Rosie was wearing a tailored life jacket equipped with a strobe light beacon.

他们家的宠物狗名叫罗西，是一只9岁的杰克·罗素梗犬。罗西当时身上穿着特别定制的救生衣，配有闪光灯信号。

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He accomplished this by using a strobe light to freeze the action of the bullet at a millionth of a second.

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The strobe light ignited, and the distress call was sent.

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His weapon: a rolling, 3-foot-tall machine (think R2-D2 from Star Wars) called the Xenex that bathes hospital rooms with intense, millisecond pulses of ultraviolet light from a high-wattage strobe light.

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