For a system, Hamiltonian is invariant under any translation of spatial coordinates.对于一体系, 哈密算符在任何空间坐标变换下是不变的.The results of this part are obtained by model hamiltonian.这一部分的推导采用的是模型哈密顿量.Aim The Hamiltonian is transforme...
He gazed fearlessly at the gunman.他毫不畏惧地注视着那枪手。He rushed into the midst of the hooligans and laid about him fearlessly.他冲到那群恶棍中间,毫无畏惧地向四面八方乱打.Footballers must learn to tackle fearlessly.橄榄球队员必须学习无所畏惧地抱住并绊倒抱球跑的对方球员。He fea...
我心事重重地向车子走去。I walked on in a reflective mood to the car.他只顾想着心事，没注意到有什么不对。He was too preoccupied with his own thoughts to notice anything wrong.与咨询员的谈话让他将心事一吐为快.His visit to a counsellor really helped him get thingsoff h...