Note the exponential decay in the current using both a positive and a negative test voltage.
注意在使用正、负测试电压时电流的指数衰减情况。
Downward wave amplitude decay in negative exponential function, but the upward wave amplitude is not the case.
下行波的衰减规律符合指数衰减，但上升波的衰减并不符合这一规律。
Downward wave amplitude decay in negative exponential function, but the upward wave amplitude is not the case.
下行波的衰减规律符合指数衰减，但上升波的衰减并不符合这一规律。
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