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...
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.Aim The Hamiltonian is transformed from Pauli matrices to Hubbard operators.目的把用Pauli矩阵表示的哈密顿量转化成用Hubbard算符表示....
摘要“独断论”是当今学术研究的弊病.Dogmatism is a malady in the academic research nowadays.探讨意见范畴的意义在于防止经学独断论的重演.The meaning of probing the category of opinion avoid the recurrence of the arbitrariness of JingXue....
His mature composi tions are generally considered the more cerebral and crabbed.他成熟的作品一般被认为是触动理智的和难于理解的.He met a crabbed, cantankerous director.他碰上了一位坏脾气、爱争吵的主管。The tightly packed words crabbed across the page.紧紧挤在一起的字斜斜...
He had to cancel some engagements because of tiredness.他太累了,不得不取消一些约会。...business-related social engagements.与公事有关的社交约会Broadway was full of loafing thespians in search of next season's engagements.百老汇大街上挤满了闲荡的演员,在寻找...
The vice-president is trying to usurp the president’s authority.副总统想要夺取总统的权力。Did she usurp his place in his mother's heart?...她取代了他在他母亲心目中的地位吗?The vice - president is trying to usurp the president's authority.副...
They've set off for the long trudge home.他们出发了,长途步行回家.He wished he was not in a room so far from the bathroom. There was nothing for it but a long trudge through the house.他真希望自己的房间离卫生间不那么远,没别的办法,只能走上长长的一段穿过屋子。It wa...