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1.The hearing aid amplifier helps to improve the quality of sound for people with hearing loss.
助听器放大器帮助有听力损失的人提高声音质量。
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2. The hearing aid amplifier is designed to amplify low-frequency sounds, making it easier for people with hearing impairments to understand conversations.
助听器放大器设计用来放大低频声音，使听力受损的人更容易理解对话。
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3. The hearing aid amplifier is essential for individuals who are deaf or have significant hearing loss.
助听器放大器对于聋人和有严重听力损失的人来说是必需的。