基本解释abbr.(=Air Force Doctrine Document) 空军条令文件;(Asymmetric Frequency Division Duplex)非对称型频分双工方案同根派生 AFDD相关词英汉例句Research and application of AFDD to HVAC 自动故障检测与诊断在暖通空调中的研究与应用AFDD更多例句