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....
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...
在出发的三天之前打电话预订即可。Just phone in your order three or more days prior to departure.我们可以安排提供从芝加哥奥黑尔机场出发的租车服务。We can organise car rental from Chicago O'Hare Airport.从大陆出发的汽车轮渡常常在2月前就被预订一空。The car ferries from the mainland...
A jetliner taxied down the runway and took off.喷气式飞机沿跑道滑行,然后起飞.The jetliner had been flying through heavy storms and turbulence.客机此前飞越了暴风雨和强烈气流.Search crews are still hunting through the wreckage of the jetliner which wa...
他们对经济激励的重要性有了更深的理解。They have a stronger appreciation of the importance of economic incentives.凸凹不平的石墙就像一条很深的运河的河岸。The rough rock walls were like the sides of a deep canal.在他头顶的天花板上有一道很深的裂缝。There was a deep crack in the c...