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“...
The crumbling of the Qing Dynasty in 1900 foreshadows.1900年的车辙可鉴.The missile bombing of our embassy in 1999 foreshadows.1999年的导弹可鉴.The beginning of the story foreshadows the tragic ending.故事的开端为悲剧性的结尾埋下了伏笔....