这个词是什么意思？
Utilization of all available receptive and expressive modes for the purpose of achieving communication with the hearing impaired, such as gestures, postures, facial expression, types of voice, formal speech and non-speech systems, and simultaneous communication.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D003145 · MeSH 2026。
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