冠状动脉功能学评估是经皮冠状动脉介入治疗（PCI）临床决策的主要依据。血流储备分数（FFR）是功能学评估的金标准，但限于操作复杂、耗时长......

Clustering routing protocols excel in several aspects of wireless sensor networks (WSNs). This article proposes a cluste......