key pulsing signal 键脉波信号
meter pulsing signal 课金信号
start pulsing signal 着手发码信号
pulsing high-frequency-signal injection 脉动高频信号注入
signal pulsing 信号脉冲
DTMF is a reliable and mature technology. Because it can provide the higher dialing speed, it has rapidly replaced the dial pulsing signal which the traditional dial telephone used.
DTMF是一种可靠而成熟的通信技术，由于它可以提供更高的拨号速率，迅速取代了传统转盘式电话机使用的拨号脉冲信号。
A model of vortex signal in the state of pulsing flow is studied, and a new frequency measuring technique is proposed.
研究脉动流条件下涡街信号的模型，提出频率测量的新方法。
The system operates in a fail-safe mode since the microprocessor is controlling the EXPOSE signal and in addition pulsing a second signal at a 400Hz rate.
此时系统工作在安全模式，因为微处理器控制着曝光信号的产生并且还发出一个400Hz的脉冲信号。
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