能量的最大有效输入是在波腹.The most efficient input of energy is actually at an antinode.因此, 维纳能够推断出:变黑的区域是同E场的波腹相联系的.Accordingly, Wiener could conclude that the blackened regions were associated with antinodes of the E - field.在弦振动“...
She could hear the tinny strains of a chamber orchestra.她能听见室内管弦乐队尖细的旋律。He could hear the tinny sound of a radio playing a pop song.他能听到收音机播放流行歌曲的刺耳声音。It is one of the cheapest cars on the market, with tinny bodywork.那是市...