连续变换光滑地衔接到单位算符.The continuous transformation connects smoothly to the unit operator.我们把具有哈密顿算符? 0的体系叫做未微扰体系.We will call the system with Hamitonian? 0 the unperturbed system.我们把这种新文法称为扩张算符文法.This new grammar we call an a...
原始人用石块和骨头做原始的工具.Primitive man made himself primitive tools from stones and bones.他们用石块压住箱子,把它沉到海里去.They weighed the box down with stones and dropped it into the sea.基督教殉道者被用石块击毙.Christian martyrs were stoned to death....
There are roadworks between Camblesforth and Carlton.坎布斯福斯和卡尔顿之间的道路在施工。The roadworks are slowing the traffic up in the mornings.道路施工使早上的交通迟缓下来.Roadworks are causing bottlenecks in the city centre.道路施工导致市中心交通阻塞....