雙向天線antenna: n. (pl. -nae , antennas) 1.【 ...bidirectional: 雙方向的; 雙向的; 雙向性的,8字型指向的; 雙指向性backward and bidirectional: 反向與雙向的bidirectional algorithm: 雙向算法bidirectional amplification: 雙向放大下載手機詞典可隨時隨地查詞查翻譯