A widely known achievement of radio electronics is an electronic calculating machine that can perform several thousand arithmetical operations in one second.
电子计算机是无线电电子学的一项人所共知的成就，这种计算机一秒钟能进行数千次运算。
Yu Tao China National Aeronautical Radio Electronics Research Institute 200233;
中国航空无线电电子研究所；
U - sed in DC or pulse circuits of electrical instruments, such as TV, radio, electronics instruments etc.
适用于电视机、收音机、电子仪器等各种直流和脉冲电路中。
U - sed in DC or pulse circuits of electrical instruments, such as TV, radio, electronics instruments etc.
适用于电视机、收音机、电子仪器等各种直流和脉冲电路中。
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