中文名称 密度扰动 英文名称 densityperturbation
在绝热密度扰动(假定初始扰动是绝热的)的方案中，有两种观念特别值得注意：1，宇宙密度波的观念。
Two ideas are worth notice in the adiabatic scenario (assumed that the initial perturbations are adiabatic) : 1. The idea of the cosmic density wave.
地面入射的大功率无线电波能加热电离层等离子体，引起电离层电子温度和密度的扰动，实现电离层的地面人工变态。
The terrestrial ionospheric plasma can be heated by a powerful ground-based high-frequency radio wave, which results in the disturbance of the electron temperature and density.
干燥的风积沙对扰动很敏感，现行有关规程中的密度测定方法对其均不太适合。
Because the dry wind-blown sand is sensitive to disturbance, the methods for measuring density in current regulations are not appropriate to it.
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