HR基础概念之岗位职位职务等辨析.让你熟练掌握K3HR的基础-Basic concept of the post office HR functions such as discrimination. K3HR you master the basis of

Health parameters like heart rate (HR) and heart rate variability (HRV) have been captured using conventional methods which give good signals. Also, there have been recent advances in photoplethysmographic imaging which has made it possible to captur