因此，OPERA团队使用了比上一次短3,000倍的质子脉冲来重复他们的实验，这样就会大大提高了中微子开始行驶时间的精确度。
Thus, the OPERA team repeated their experiment using proton pulses that were 3, 000 times briefer than last time, giving greater precision to the start time of neutrinos.
因此，OPERA团队使用了比上一次短3,000倍的质子脉冲来重复他们的实验，这样就会大大提高了中微子开始行驶时间的精确度。
Thus, the OPERA team repeated their experiment using proton pulses that were 3,000 times briefer than last time, giving greater precision to the start time of neutrinos.
超声的此种特性，与超声的照射条件，如机械指数、脉冲重复频率、照射时间等有关。
Ultrasound-assisted gene delivery is associated with the parameters of ultrasound exposure, such as mechanical index, pulse repetition frequency, time of exposure, and so on.
同时给出了在不同的声光开关时间的输出脉冲特性，描述和讨论了输出的单重复频率脉冲和半重复频率脉冲现象。
Meanwhile, the behaviors of Q-switched pulses are achieved by regulating the switching time of AOM. The single-repetition-rate and half-repetition-rate phenomena are described and discussed.
同时给出了在不同的声光开关时间的输出脉冲特性，描述和讨论了输出的单重复频率脉冲和半重复频率脉冲现象。
Meanwhile, the behaviors of Q-switched pulses are achieved by regulating the switching time of AOM. The single-repetition-rate and half-repetition-rate phenomena are described and discussed.
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