偶极子在它的轴的方向上不发射能量.The dipole does not radiate energy in the direction of its axis.欲求的因子为图40那样的脉冲偶极子.The desired operator is the spike doublet of Figure 40.自然界中只能出现磁偶极子以及磁多极子的形式.Only magnetic dipole and higher multipole co...
Down below them was the sea of upturned faces.他们下面是无数张仰望的脸。He clung to the upturned boat, screaming for help.他紧紧抓着住倾覆的小船，高呼救命。He came into the room, his overcoat collar upturned.他进屋时大衣领子向上翻起....
He would show his collection by gaslight.他会在煤气灯光下展示他的收藏品。In the gaslight she looked paler than ever.在煤气灯光下她显得比以往任何时候都苍白。He sat staring at the yellow, singing gaslight.他坐在那里,眼睛直望着那煤气灯唧唧低吟的黄色火焰....