“高频返回散射”的概念、定义、翻译、参考文献-科学参考

单词	高频返回散射
释义	高频返回散射 Encyclopedia 工学短波传播释 high-frequency backscattering高频返回散射斜向入射到电离层的高频段（3～30兆赫）无线电波，经电离层反射（可能多次）后因地面地形不平坦和电气不均匀性而向四面八方散射的现象。其中一小部分电波能量沿相反方向（路径可与以前相同或不同），由电离层反射折回到地面电波发射点。
随便看	stochastic stability stochastic stabilization stochastic stable strategy stochastic structure stochastic system stochastic thermodynamics stochastic transformation stochastic transition function stochastic trend stochastic variable stochastic varying parameter model stochastic vector stochastic vector process Stock stock Stock Appreciation Rights Stock asset integration Stock-breeding Law of the People's Republic of China stock circulation market statistics stock dividend stock dyeing stock enhancement and sea ranching stock exchange Stockey and Zeckhauser model stock fund

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