All the subjects sat in the standard audiometric room, the air and bone conducted pure-tone auditory thresholds were examined by the professional technician.
受试者坐在标准测听室内，由专业技师检查气、骨导纯音听阈。
Conclusion: the auditory ossicle of the pig biological bone carrier is considered as the best material similar to the auditory ossicle of the human being.
结论：用猪生物骨载体制成的听骨被认为是目前接近人听小骨的最佳材料。
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