这类张量叫做反对称张量或斜对称张量.Tensors of this kind are called antimetric or skew - symmetric.要求反对称波函数的粒子, 如电子, 叫做费米子.Particles, such as electrons, requiring antisymmetric wave functions are called fermions.注意结构是对称的,而节点线位移表示反对称荷载.We ...
传送带下沉重的钢滚筒the heavy steel rollers under the conveyor belt这个大齿轮带动小齿轮使滚筒旋转.This large gear turns the small one to rotate the cylinder.粉碎辊是波纹式滚筒, 还常是螺旋割纹式.These rolls are corrugated cylinders, usually of the spiral type....
他们费力地挪动到那边躲避。They have dragged themselves thither for shelter.你到那边去找,我到泉水旁边看看.You go over that way and I'll hunt around by the spring.我们到那边去,找个地方坐下来慢慢说.We'll find a place to sit down and have a long talk....
海港的水面上闪烁着绿色和黄色的灯光。Green and yellow lights blinked on the surface of the harbour.三天之内最好不要驶离海港。For three days, it was inadvisable to leave the harbour.他形容那种气味介于马戏团和海港的味道之间。He described the smell as something between a circ...