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1·Pulses per second (PPS) refers to the number of pulses per second and the number of dial pulses per second.

每秒脉冲(PPS)指的是在一秒钟内的脉冲或脉冲拨号次数。

2·Their calculations showed that small waves of air in repeated fast pulses could steer a carpet at a speed of around one foot per second.

他们的计算表明，快速而持续的微小空气波动可以使毯子达到每秒一英尺(译者：30.48厘米)的飞行速度。

3·Output optical pulses from the laser can switch between two wavelengths determined by the Bragg wavelengths of two fiber gratings in the ring at the rate of 105 per second.

同一个光纤环形激光器输出的由光纤光栅布喇格波长决定的两个不同波长的光脉冲可以每秒十万次的速度切换。