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1.The far-infrared laser is used in medical treatments to help reduce pain and inflammation.
远红外激光被用于医疗治疗中，帮助减轻疼痛和炎症。
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2. The far-infrared laser is also used for skin rejuvenation, helping to improve skin tone and texture.
远红外激光也被用于皮肤再生，帮助改善皮肤的色泽和质地。
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3. In recent years, the development of far-infrared laser technology has greatly improved its efficiency and safety.
近年来，远红外激光技术的发展大大提高了其效率和安全性。