This circuit is restricted to low frequency operation by the lamp time constant.
受灯泡的时间常数限制，本电路只能低频工作。
The proposal for installing failure excitation circuit is given to guarantee safe operation.
为确保机车安全可靠地运行，提出了加装故障励磁电路的建议。
The structure and principle of operation of the circuit are described in detail.
详细介绍了电路的结构特点和工作原理。
The circuit can also write information into the memory cell by selective write operation.
该电路也可以经过选择性写入操作把信息写入存储单元。
The operation and design approach of this circuit topology is carefully analyzed and studied.
详细分析和研究了这种电路拓扑的原理和设计。
Adopt special integrated circuit and its operation is reliable.
采用专用集成电路，工作稳定可靠。
Adopt special integrated circuit and its operation is reliable.
采用专用集成电路，工作稳定可靠。
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