在PET/CT造影时，除了局部病灶的SUV外，病灶是否出现低衰减( low-attenuation)的情形，也是一项重要参考指标。但一些腺瘤、炎症也会出现局部18F_FDG高摄取。
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The low-attenuation regime 低衰减情况
Low Attenuation 低削弱
low attenuation cable 低衰减电缆
low-attenuation range 低衰减区 ; 低衰减范围
low attenuation zone 低衰减带
Low attenuation masses 低密度肿块
low-attenuation sinking plate 低衰减下沉板块
low-attenuation area percentage 低衰减区百分比
The viscosity coefficient of pore fluid in saturated sandstone has an obvious effect on the attenuation, modulus, and velocity dispersion in low frequency range.
饱和砂岩中扎隙液体的粘滞系数对饱和砂岩的衰减、模量和速度色散的影响在较低频段是明显的。
Experimental research reveals that the axial and lateral creep curves of shale specimens behave the attenuation creep stage under relatively low stress state.
试验表明，页岩在较低应力水平下，轴向及侧向蠕变曲线呈现出衰减阶段的流变特性。
Small solid solder joint, electrical conductivity, and no signal attenuation, when subjected to high temperature and low temperature will not fall off.
焊点细小牢靠、导电性好、无讯号衰减，在经受高温和低温时不会脱落。
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