... direct-reading tachometer 直读式转速表 directed dipole 定向倡偶极子 directed dipole 定向偶极子 ...
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... directed branch 定向分支(网络分析) directed dipole 定向偶极子 directed energy balance 直接能量平衡 ...
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... 槽馈偶极天线 slot dipole 定向偶极天线 directed dipole 堆叠偶极天线 stacked dipole antenna ...
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