single photon bone density machine 单光子骨密度仪
photon machine
光子机
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Photon machine use: take spots, acne, redness, skin rejuvenation, Hair removal.
光子机用途：取斑，痤疮，红血丝，嫩肤，脱毛。
youdao
In fact just this kind of photon-based quantum factoring has been accomplished before, but the ability to put the heart of the machine on a standard chip is promising for future applications of the idea.
BBC: Quantum computer slips onto chips
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