Note that the current must flow through the ammeter in order to reach the circuit.
注意，电路中的电流必须通过电流表以测量到读数。
Through AT89C52, the hardware and software of LED display screen and scan circuit are devised.
利用AT 89 C 52单片机控制LED显示屏的工作原理及电硬件电路及软件设计。
The current flows through a circuit, just as water flows through a pipe.
电流流过电路时就像水流过管子一样。
When the switch is on, the circuit is closed and electricity goes through.
当开关断开时，电路就形成开路，电流不能通过。
The equivalent model and design consideration are put forward through electric and magnetic circuit analysis.
通过电路和磁路推导，提出了该集成磁件的等效模型和设计依据。
Through the test circuit, the result shows that the design can be actually used.
通过对验证电路的测试，结果表明该设计可满足实际使用的要求。
When the switch is on, the circuit is closed and electricity goes through.
当开关打开时，电路就闭合，电流流通。
When the switch is off, the circuit is open and electricity doesn't go through.
开关断开时，电路开路，电流不能流过。
The technology principle and circuit realization are introduced for pulse signal transmission through single cable.
介绍了用单芯电缆传输脉冲信号的技术原理和电路实现，分析了实现电路的耐压性能和传输性能。
First, through the optimization of circuit design, matching line separation, ground line board design;
一是通过优化电路设计、配线分离，包括含接地线的线路板设计；
When the switch is on, the circuit is closed and electricity goes through.
当开关是的时候开的，线路被关闭，而且电力去过。
When the switch is on, the circuit is closed and electricity goes through.
当开关是的时候开的，线路被关闭，而且电力去过。
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