AAI

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AAI

目前普遍认为气道变应性炎症（AAI）是导致AHR 的重要机制之一。当气道受到变应原或其它刺激后，由于多种炎症细胞、炎 …

大量研究证实心房起搏（AAI）或双腔起搏（DDD）与右室心尖部起搏（VVI）比较在减少房颤的发生方面有明显优势。Sutton a…

Airports Authority of India（AAI）和印度空间探索组织（ISRO）负责项目研发，这个项目选用地球同步卫星GSAT-4，计划200…

起搏器的类型（1）心房按需（AAI）型电极置于心房。起搏器按规定的周长或频率发放脉冲起搏心房，并下传激动心室，以保 …

2、心房按需型（AAI）单腔心房起搏方式，符合心脏搏血生理，主要适用于房室传导功能良好的病态窦房结综合征患者，相当 …

With its thick armour and a version of the dreaded 88-mm AAi'anti-tank gun , the PzKpfw VI Tiger was an outstandingly powerful design .

AAI is not a closed turbine winning design , but a thicker blade end of the slow speed of the rotor, while blend of fixed-wing design .

AAI, based in Hunt Valley, Md. , is a unit of Textron Systems Inc. , a provider of training aids, devices, simulators and simulations .