久久国产欧美日韩精品,日韩国产精品久久久久久亚洲,99视频精品全部免费免费,91精品国产综合久久走光

岸基的ISR研究和發(fā)展主要集中于超視距雷達(dá) ( OTH ).Ground - based ISR research and development is focused on over - the - horizon radar ( OTH ) radar.這就是視距測距法, 它能好的指示目標(biāo)的距離.Known as stadiametric ranging, it a good indication of the target dis...

“視距”的拼音為：shì jù...

“視距”的英語可以翻譯為：ange of visibility ...