“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	site of the Tunnel Warfare at Ranzhuang site of the Twenty-Fifth Army Headquarters of the Red Army of the Workers and Peasants of China site of the Xifeng Concentration Camp Site of the“Quell the British”Corps at Sanyuanli Site of Tianjin Lishunde Hotel Site of Tuci Shipwreck of the Ming Dynasty at Xiangshan Site of Tunnel Warfare of Jiaozhuanghu Site of Undergraduate College of Imperial University of Peking Site of Union Medical College Site of University of Nanking Site of War Criminals Management Insititute Site of Wenxingxiang Business Firm Site of Wunvshan Mountainous City Site of Wu palaces and gardens on Lingyan mountain Site of Xanadu World Culture Heritage site of Yanji Border Supervision Office Site of Yinshan Homo sapien Site of Yuanmou Man Site of Yuan shipwreck at Sandaogang of Suizhong site of Zhijiang University Site of Zhiyuan Battleship at Dandong Site of Zunyi Conference site percolation site percolation process site performance training

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