逐渐减弱 的中文句子和英文句子

啸声干扰一种由于诸如闪电等大气干扰而产生的音频电磁波，具有典型的逐渐减弱频率的特征，该频减引起了检波设备中调逐渐下降的啸声

An electromagnetic wave of audio frequency produced by atmospheric disturbances such as lightning, having a characteristically decreasing frequency responsible for a whistling sound of descending pitch in detection equipment.


逐渐消失在亮度、响度或精力上逐渐减弱直至全部消失的活动或例子

The act or an instance of gradually diminishing in brightness, loudness, or strength until actual disappearance occurs.