roll-off frequency

基本解释

There is no peaking in the response but simply a smooth roll-off above the natural frequency.
响应期间无高峰期，只是简单的，在固有频率上平滑的跌落。
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Running a transformer into the wrong load will alter its high-frequency roll-off and square wave response.
接上错误负载会改变其高频产生滚降及方波形状。
This figure shows that the power response is very smooth throughout the whole frequency range, and the controlled off-axis roll off of the tweeter.
这幅图表明，频率响应是非常平滑地贯穿整个频率范围和高音喇叭的受控离轴滚降。