英语词汇supersonic expansion怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	supersonic expansion
释义	supersonic expansion 简明释义超声膨胀网络释义短语 1 ATA supersonic expansion nozzles 超声膨胀喷嘴 2 two-dimensional supersonic expansion flow 二维超音速膨胀流 3 supersonic c expansion 超声膨胀双语例句 1 The CH molecular beam was generated by DC pulsed discharging methane seeded in helium in the supersonic expansion to study the generation and features of CH molecular beams. 为了获得CH分子束及其相关特性，以氦气为载气，利用直流脉冲放电技术产生了CH分子束。 2 The method is composed of two parts, the series expansion method in the transonic region and the characteristics method in the supersonic region. 该法由两部分组成，跨音速段用级数解，超音速段用特征线法。
随便看	density of plantation density of population density of probability density of process density of quantumstates density of radiation density of rational numbers density of registered inhabitants density of released fish density of residential floor area density of road network density of runs density of scanning lines density of seam density of sea water density of shops density of signed measure density of simultaneous distribution density of snow density-of-snow gauge density of solid particles density of soundings density of spectral line density of stand density of state

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