... effective range 使用范围，有效测量范围；有效范围；有效距离 effective reactance 有效电抗 effective relaxation length 有效张驰长度 ...
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同时研究了引线及顶线的各项参数变化对天线的有效高度、增益、输入电抗、辐射电阻及静电容的影响。
The affection of parameter variation of down lead wires and top loading wires on effective height, radiation pattern, input reactance, radiation resistor and static capacitance is discussed.
采用4.5%和12%两种不同电抗率下的电容器组，可有效地抑制5次、3次两个主要谐波。
Using capacitor bank with two different reactance rates, 4.5%and 12%, can effectively suppress two main harmonies 3rd and 5th.
并得出结论：采用混合型串联电抗器可以有效抑制电网中各次谐波的放大。
It is concluded that the harmonic amplification in power systems is effectively restrained by using mixed series reactors.
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