求翻译：牙齿在短波长激光的照射下可以产生荧光，通过入射光纤照射到牙齿表面，再由出射光纤输出荧光信号．荧光强度会随牙髓活力降低而减弱．在单片机的技术上，利用光电技术相结合的方法来检测牙髓活力状态的好坏。是什么意思？

The teeth in the short-wavelength laser irradiation can produce fluorescence, fiber exposure to the tooth surface by the incident, and then by the outgoing optical output fluorescence signal. The fluorescence intensity will be lower with the pulp vitality and weakened. Microcontroller technology, th

teeth in the short-wavelength laser beam can be fluorescent, through exposure to the fiber surface of teeth, and then the fluorescent fiber optic output OUT of the signal will be supplied with, fluorescent intensity lower teeth are weakened bone marrow vitality in the single-chip technology, optical

The tooth may produce the fluorescence in under the short wave length laser illumination, shines through the incident optical fiber to the tooth surface, again by projection optical fiber output fluorescence signal. The fluorescence intensity can reduce along with the dental pulp vigor is weaken. In

Teeth can produce fluorescence under short-wavelength laser irradiation through the incident optical radiation to the surface of the teeth, then by firing fiber-optic fluorescence signal output. Fluorescence intensity varies with the dental pulp vitality reduction and weakening. On the technology of

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