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Terms for subject Air defense containing back -to-back | all forms | in specified order only
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back-to-back array背靠背阵列天线
back-to-back circuit背靠背电路
back-to-back diode背靠背二极管
front-to-back ratio定向天线方向性比
front-to-back-ratio前后不一致比
front-to-back-ratio方向性比