Other evidence comes from the electric waves released by the brain.
其他证据来自大脑释放的电波。
In this paper, through comparing various algorithms, Finite-Difference Time-Domain method (FDTD) for electric waves is selected for calculation which is applicable to this subject.
本文通过对各种算法的比对，选择了适用于本课题模型的电磁散射计算方法—时域有限差分方法(FDTD)。
Loudspeaker is used to change electric waves into sound waves and to make radio messages and radio programmes sound louder so that many people can hear them at the same time.
用扩音器把电波变成声波并把无线电播放的消息和节目的声响变得高一些，许多人在同一时间都能听到。
Loudspeaker is used to change electric waves into sound waves and to make radio messages and radio programmes sound louder so that many people can hear them at the same time.
用扩音器把电波变成声波并把无线电播放的消息和节目的声响变得高一些，许多人在同一时间都能听到。
应用推荐