1.The optical light curve of EG Cancri during its outburst in 1996~1997 were presented. It has displayed some brightness fluctuations in the phase of decline.
2.Arrived in senile phase, the essence of kidney enrages decline, body also gradually anile, countenance consenescence, motion of systemic bones and muscles is ineffective, tine shakes send.
3.(4) In the control system of BLDC motors, different PWM mode has different influence on the pulsating current generated by BEMF in the switch-off phase, which may make commutation error in the commutation control and then decline the reliability and the stability of the control system.
