He KO'd Nathan Mann in the third round.他在第3回合将内森·曼打晕了过去。Two Olympic table tennis silver medallists, Mr Li Ching and Mr Ko Lai - chak, attracted at HKIA.奥运乒乓双打银牌得主李静及高礼泽回港, 吸引大批群众前来机场欢迎." Well, what are you doing her...
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...