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传递损失
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传递损失
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传递损失
释
transmission loss
传递损失
入射到消声器进口的声功率级与透射出消声器出口的声功率级差值。又称传声损失。
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primary sere
primary slime
primary socialization
primary solution
primary somatomotor area
primary somatosensory area
primary somatosensory cortex
primary source
primary spectrum
primary spectrum, first-order spectrum
primary spermatocyte
primary stage of socialism
primary standard
primary standard dosimeter
primary standard for airborne sound pressure
primary standard for OCTG threads
primary standard for sound pressure in water
primary standard for ultrasound power
primary standard light source
primary standard machine of shore hardness
primary standard machine of vickers hardness
primary standard material
primary standard of absorbed dose to water
primary standard of air kerma
primary standard of angle metrology
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