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...
The eagles perched on their eyries.老鹰栖息在他们的巢窝上.There are three types of aquifers: perched, unconfined, and confined.含水层有三种形态, 分别是上层滞水 、 潜水和承压水.The town is perched on the edge of a steep, precipitous cliff.该镇坐落在陡峭险峻的悬崖边上。...
Airliners would be jetting through the sky at 500 miles an hour.大客机会以每小时500英里的速度穿越太空.Water jetted forth; flames were jetting out of the building.水向外涌出; 火焰涌出这座楼.The firefighters are jetting streams of water at the burning...