由于被吸收而强度减低叫做阻尼，而由于这一原因其强度减小的波叫做阻尼波。
The decrease in intensity due to absorption is called damping and a wave whose intensity decreases for this reason is called a damped wave.
目的探讨青壮年骨折患者长期卧床与骨量丢失、骨强度减低的关系及鲑鱼降钙素的预防作用。
Objective To probe the relationship between longterm bed and loss of bone mass and bone strength and the prevention of calcitionin in young patients with fractures.
结论视网膜静脉阻塞病人的视网膜中央动脉血流变化特点为血流速度、血管充盈强度减低，远端组织血流灌注不良。
Conclusion The hemodynamic features of central retinal arteries in patients with retinal vein occlusion are low blood flow velocity, low vessel filling intensity and poor distal tissue blood filling.
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