光波和无线电波能被星际气体和尘埃吸收及散射。
Light and radio waves are absorbed and scattered by interstellar gas and dust.
因为星云对射电波的散射很小，所以最明显的优点就是能够全面而真实地勾画出星云气体分布的外貌。
The most obvious advantage is that 'because of their inability to scatter appreciably, nebular radio waves completely and genuinely delineate the distribution of nebular gas.
高频(HF)雷达海洋探测是典型的粗糙面对电波的散射问题。
Detection of ocean surface dynamics with HF radar is a typical problem of wave scattering from a rough surface.
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