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.In other words, The Hermiticity of a matrix is invariant under unitary transformations.换言之, 矩阵的厄密性在幺正变换下保持不变.O...
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.A multi - distorted invariant orthogonal moments, Jacobi - Fourier moments ( JFM ), were proposed.提出一种多畸变不变的正交...
如此保密的做法滋生并加剧了人们的恐惧和疑虑。Such secrecy breeds and encourages fear and suspicion.尼克松先生认为这些录音带是保密的。Mr Nixon argued the tapes were privileged.在这件事情上绝对保密的必要性the need for absolute secrecy in this matter...
投石机: 古代投掷物体之发射器,用作发射长箭或重型球状物.Ballista: Ancient missile launcher designed to hurl long arrows or heavy Balls.图示:肝脏小胆管内可见黄绿色球状物,其为胆红素.The yellow - green globular material seen in small bile ductules in the liver here is bi...
These poems have helped kindle the imagination of generations of children.这些诗激发了一代又一代孩子的想象力。Generations of students have learnt to parrot the standard explanations.一代又一代学生学会了机械地重复这些标准解释。Generations of adults and children...