However, hitherto it has not been possible to measure the ultra-short pulses directly.
然而,迄今为止人们尚无法直接测量超短脉冲。
The ultra-short radius radial system (URRS) is a new highly efficient technology of oil recovery.
径向井是一种新型高效的原油开采技术。
This study is significant for generation of ultra-short optical pulse chain at high repetition rate.
该研究对高重复率脉冲串产生具有一定意义。
This study is significant for generation of ultra-short optical pulse chain at high repetition rate.
该研究对高重复率脉冲串产生具有一定意义。
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