对等阻抗 换能器的两个对等阻抗分别连接到换能器输入和输出端时将使输入和输出点上双方向的阻抗都相等
Equivalent impedance When the two equivalent impedance of the transducer are connected to the input and output terminals of the transducer respectively, the impedance of both sides at the input and output points is equal
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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