方法:60例老年冠心病患者及68例正常对照组间的心功能参数及脑循环动力参数的比较。
Methods: Taking 60 cases of elder patients with coronary heart diseases and 68 normal cases as comparative group to see the parameters of heart function and cerebral circulation dynamics parameters.
切换系统是由一组连续或离散动态子系统组成,并按某种切换规则在各子系统间切换的动力系统。
A switched system is a class of hybrid system composed of several dynamical Subsystems and a switching law that specifies the active subsystem at each instant of time.
结果两组间各血流动力学指标比较差异均无统计学意义。
Results There was no significant difference in hemodynamics between the two groups.
结果两组间各血流动力学指标比较差异均无统计学意义。
Results There was no significant difference in hemodynamics between the two groups.
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