美国国家航空和航天局称，一场强烈的太阳活动已干扰无线电通信，可能在接下来的几天里中断电网、无线及卫星通讯。
A powerful solar eruption has disturbed radio communications and could disrupt electrical power grids, radio and satellite communication in the next days, NASA said.
其原因可能是发生意外断电后，系统处于断电状态下的时间长度已超过电池续用时间，控制器已保护高速缓存。
This could be due to the fact that your controller had protected cache after an unexpected power loss and your system was without power longer than the battery backup time.
产品一经出厂，它是按照电机转子的电压、电流初步判断电机负载情况已配制好的液阻。
Once the product is ex-work, the motor load condition shall be judged initially based on the rotor voltage and current, and liquid resistance will be ready.
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