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"Hazards and Control of Noise" Acoustic Phenomenon PPT Courseware 9
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"The Generation and Propagation of Sound" Sound Phenomenon PPT Courseware 3
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"Hazards and Control of Noise" Acoustic Phenomenon PPT Courseware 3
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"How We Hear Sound" Sound PPT Courseware
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"The Generation and Propagation of Sound" PPT teaching courseware on acoustic phenomena
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"Harm and Control of Noise" Sound Phenomenon PPT Courseware 9
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"The Generation and Propagation of Sound" Sound Phenomenon PPT Courseware 10
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"The Generation and Propagation of Sound" Sound Phenomenon PPT Courseware 9
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"The Generation and Propagation of Sound" Sound Phenomenon PPT Courseware 15
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"Hazards and Control of Noise" Acoustic Phenomenon PPT Courseware 10
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"The Generation and Propagation of Sound" Sound Phenomenon PPT Courseware 7
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"The Generation and Propagation of Sound" Sound Phenomenon PPT Courseware 8
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"The Generation and Propagation of Sound" Sound Phenomenon PPT Courseware 9
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"The Generation and Propagation of Sound" Sound Phenomenon PPT Courseware 10
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"The Generation and Propagation of Sound" Sound Phenomenon PPT Courseware 2
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"Hazards and Control of Noise" Acoustic Phenomenon PPT Courseware 2
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"Hazards and Control of Noise" Acoustic Phenomenon PPT Courseware 4
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"Applause" Flash animation courseware
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"The Sound of Nature" PPT
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If sound had memory
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Fangzheng Sun Yongsheng Simplified
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"The Voice of Spring" PPT courseware 2
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"Applause" PPT free courseware
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"Screen Music" PPT courseware
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"Lingyin Bells" PPT courseware
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"Who can spread the voice" PPT
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"How to Hear Sound" PPT
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"Ding Dong" PPT courseware
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"Listen to the Voice of Autumn" PPT teaching courseware download 5
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"Listen to the Voice of Autumn" PPT teaching courseware download 2
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"Hazards and Control of Noise" Acoustic Phenomenon PPT (Class Assignment)
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"How We Hear Sound" Sound PPT Courseware 2
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"Application of Sound Phenomenon in Science and Technology" Sound Phenomenon PPT Courseware
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