This paper mainly studies the distribution of the electron density produced by the high-altitude nuclear burst in atmosphere and gives part o the results at low-altitude.
本文主要研究高空核爆炸在大气中产生的电子密度分布，同时给出低空核爆的部分结果。
By measuring the refraction of this radio beam, we will be able to plot the temperature and density profile of Pluto's atmosphere from high altitude down to the surface.
借由测量无线电波的折射，我们可以描绘出冥王星大气层(从高空一直到表面)的温度与密度分布轮廓。
The article believes that the reduced air density in high- altitude district exerted certain influence on each part of the burning system.
文章认为，高海拔地区，由于空气密度降低，对烧成系统各部分都将产生一定的影响。对影响较小的可不改变原系统内各种设备的规格。
The high-altitude ignition performance of high density fuel is rather poor, but can be significantly improved by mixing it with a small quantity of low density oil(about 10 percent).
大比重油的高空点火性能相当不良，但用少量优质大庆油掺混（约百分之十）后可得到显著改善。
The high-altitude ignition performance of high density fuel is rather poor, but can be significantly improved by mixing it with a small quantity of low density oil(about 10 percent).
大比重油的高空点火性能相当不良，但用少量优质大庆油掺混（约百分之十）后可得到显著改善。
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