“콜라겐, 피부 탄력 개선 효과 있다…단, 주름은 못 막아”[건강팩트체크]
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该博主强调，与传统防窥膜不同，三星的这项技术可动态调节光线方向，既能在公共场景保护隐私，也不会影响日常使用。
Current X-ray lasers require facilities that are kilometres long. A cavity-based set-up about 66 metres in length has been developed that uses highly reflective mirrors to enable the generation of high-intensity pulses of narrow-band X-ray radiation. This promises to overcome the limitations of current X-ray lasers.
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