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Which of the following is the threshold of hearing? O1.0:10-12 W/m2.-12 dB O 0.0.10-12 W/m2, 0.0 dB O1.0.10-12 W/m2. 0.0 dB O 1.0.10-12 W/m2. 1.0 dB

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理解问题Which of the following is the threshold of hearing? O1.0:10-12 W/m2.-12 dB O 0.0.10-12 W/m2, 0.0 dB O1.0.10-12 W/m2. 0.0 dB O 1.0.10-12 W/m2. 1.0 dB

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Which of the following is the threshold of hearing? O1.0:10-12 W/m2.-12 dB O 0.0.10-12 W/m2, 0.0 dB O1.0.10-12 W/m2. 0.0 dB O 1.0.10-12 W/m2. 1.0 dB
知识树
Which of the following is the threshold of hearing? O1.0:10-12 W/m2.-12 dB O 0.0.10-12 W/m2, 0.0 dB O1.0.10-12 W/m2. 0.0 dB O 1.0.10-12 W/m2. 1.0 dB
What is the definition of threshold of hearing?
How is sound intensity measured in decibels?
What is the difference between W/m2 and dB?

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