常見例句雙語例句Broadband ultrasound attenuation(BUA) reflects the degree of bone mineral density.寬帶超聲衰減（BUA）反映了骨密度疏密程度。kns50.chkd.cnki.netThe broadband ultrasound attenuation and bone stiffness of the osteoporosis group were lower than the normal group(P0.01).骨質(zhì)疏松組跟骨超聲振幅衰減平均值和骨硬度指數(shù)值均小于骨量正常組（P0.01）。Methods An ARM embedded system was used to measure the speed of ultrasound, the broadband ultrasound attenuation(BUA) and the stiffness.方法：設(shè)計(jì)采用ARM嵌入式系統(tǒng)，通過超聲技術(shù)測(cè)量并計(jì)算足跟骨處的超聲速度、寬帶超聲衰減值和硬度系數(shù)。 返回 broadband ultrasound attenuation