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在噪声中的语言听力不仅决定于正常的听敏度，也决定于完整的中枢听觉系统、中枢听觉系统的成熟完成于出生后第一年中。如出生后第一年内由于听觉障碍而中枢听觉系统得不到应有的刺激，就可能影响其发育。Middelwe－erd等报告15例在噪声中语言清晰度差的病人。在5年期间，遇到3
The language hearing in noise depends not only on the normal listening sensitivity but also on the integrity of the central auditory system, which completes its maturation in the first year of life. If the central auditory system is not properly stimulated due to hearing impairment in the first year of life, it may affect its development. Middelwe-erd and other reports of 15 cases of poor speech clarity in patients with poor clarity. Encounter 3 during 5 years