以下为句子列表：
英文: The sinusoidal voltage and current distribution on the line of each frequency component is obtained by the phasor equation for the transmission line and the source and load impedances.
中文: 将传输线上不同位置电压及电流之频谱以快速富氏反转换即得传输线上不同位置之近似电压及电流脉波。
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英文: This has since been confirmed by Russian sources; the transmitter consists of two swept-frequency generators of sinusoidal voltage and two parallel horizontal grounded antennas, each about 60 km long.
中文: 这一点被来自俄方的消息所证实；发射机有两个扫频发生器，产生正弦波，同时有两幅相互平行的水平地面天线，每个天线有60千米长。
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