pumping pulse length 抽运脉冲长度
The essential performance had been achieved by testing through changing boundary layer ejector pumping capacity, mixing chamber clapboard length, the counterpressure, main inlet mass flux and so on.
以常温空气为介质，通过改变扩压器附面层抽吸能力、混合室隔板长度、扩压器出口反压及主进气流量等条件进行试验。
Finally, the optimal pumping power and fibre length are obtained, which can be used for the design of fibre Raman amplifier.
文中最后得出了设计光纤拉曼放大器时的最优抽运功率和光纤长度。
Based on these, the mass loss rate, coherent length and pumping mechanism have been discussed and the results agree with the observations very well.
并讨论了质量流失、相干长度和抽运机制等问题，结论与观测符合。
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