aa1534_0038 4 250 90000 aa1534_0038.dat 16 871.4406540738653(-1857)/mV 16 0 -1962 19956 0 II aa1534_0038.dat 16 1718.239625167336(18574)/mV 16 0 -32768 30105 0 III aa1534_0038.dat 16 805.473427000611(197)/mV 16 0 278 4902 0 aVR aa1534_0038.dat 16 804.679802955665(-97)/mV 16 0 -85 11830 0 V