凭借让照相机快门打开时间延长，通常超过1分钟，就能使用发光二极管、闪光灯，乃至闪光物体绘出光线踪迹。
By having a camera's shutter open for extended periods of time, often well over a minute, trails of light can be drawn with LEDs, flashlights, or even sparklers.
脉冲氙灯又称闪光灯，本文介绍了国外用于军事和科学研究的各种类型的管形脉冲氙灯。
The pulsed xenon lamp is also known as xenon flash lamp. In this paper, various linear pulsed xenon lamps for military and scientific applications in other countries are described.
氪用于萤光管、闪光灯、雷射以及示踪研究。
It is used in luminescent tubes, flash lamps, incandescent light bulbs, lasers, and tracer studies.
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