在继电器被闭合后，在进行测量之前要留有足够的稳定时间，这点非常重要。
After a relay is closed, it's important to allow sufficient settling time before taking a measurement.
稳定时间——是指继电器关闭后电路达到稳定所需的时间。
Settling Time—This is the time required for the circuit to stabilize once the relay has been closed.
设计了一个由微波发射器、555定时器、电压比较器和继电器组成的具有延时功能的自动报警器。
The paper designs an automatic alarm with the time delay function which composed by the microwave launcher, 555 timers, the voltage comparator and the relay.
本文在建立时间继电器一般数学模型的基础上，提出了实现定时限，变时限两类数字式时间继电器的子程序流程图；
The paper develops a general mathematical model of time delay relays and gives the subprogram flow charts to realize definite and variable time delay relays with a computer.
本文在建立时间继电器一般数学模型的基础上，提出了实现定时限，变时限两类数字式时间继电器的子程序流程图；
The paper develops a general mathematical model of time delay relays and gives the subprogram flow charts to realize definite and variable time delay relays with a computer.
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