今天来给大家推荐一款具有实际功效能够测量心率的软件——《心电图（Cardiograph）》。 打开《心电图（Cardiograph）》，你会发现这款软件挺专业的 ...

Cardiograph is a universal app that purports to measure your heart rate via the cameras built into the iPhone or iPad 2. The app has a very slick-looking user interface reminiscent of a real-world ...

DR. A. L. GALABIN, whose investigations with the sphygmograph and cardiograph we have had the opportunity of noticing on former occasions (vide NATURE, vol. xii. p. 275), has introduced a ...