(四)感应线圈系统(induction loop System)：此系统最主要将一个感应线圈装于房间内，此线圈连接一扩大机，再达至声源，如此声音可直接放大经感应线圈而为助听器上的t-coil...
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N a system enabling partially deaf people to hear dialogue and sound in theatres, cinemas, etc, consisting of a loop of wire placed round the perimeter of a designated area. This emits an electromagnetic signal which is picked up by a hearing aid 感应助听系统 (Often shortened to induction loop)
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