Noise is transient; once the pollution stops, the environment is free of it.
另处,物理性污染没有后效作用,即噪声不会残存在环境中,噪声停止,污染立即消失。
Carrier Free Pulse Radar is the important application field of transient electromagnetic theory.
无载波脉冲雷达是瞬变电磁场的一个重要应用领域。
Carrier Free Pulse Radar is the important application field of transient electromagnetic theory.
无载波脉冲雷达是瞬变电磁场的一个重要应用领域。
应用推荐