短語詞組短語BAT Beam -Approach Training 波束進近著陸訓(xùn)練self -convergent beam width approach 自收斂束寬SBA Standard Beam Approach 標準波束進近standard beam approach 標準波束進場;標準波束處理;翻譯;標準射束接近英語beam approach beacon system [航]波束進場信標系統(tǒng);進近波束信標系統(tǒng)BA Beam Approach 波束引導(dǎo)進近著陸rear beam approach 側(cè)后方接敵back beam approach 背臺進場standard beam approach system [航]標準波束引導(dǎo)進場系統(tǒng) 返回 beam approach