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亥姆霍兹共振吸声体
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亥姆霍兹共振吸声体
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亥姆霍兹共振吸声体
释
helmholtz resonance sound absorber
亥姆霍兹共振吸声体
一个硬质内表面的腔体通过短管与外界的大气联通构成的吸收声能、降低声音的构件。
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genetic polymorphism
genetic predisposition
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Genetic Resources and Crop Evolution
genetic resources law
genetic resources of livestock and poultry varieties in China
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genetic screening
genetic segregation generation
genetic sex
genetic skin disorders
genetics of behaviors in rodents
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Genetics Society of China,GSC
Genetic statistics
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genetic switches
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