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...
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...
"It's corned beef and cabbage," said Malone. "Yuk," said Maureen.“这是咸牛肉配卷心菜。”马隆说。“呃，”莫琳表示反感地说了一声。We sit down to a supper of corned - beef hash or some other modest fare.我们坐下来吃一顿咸牛肉或其他菜式素净的晚饭....corned beef hash.腌牛肉烘...
The Malamute foot should be fairly large and tight.阿拉斯加的脚必须粗大并且结实.Alaskan Malamute is a noble dog with a unique history.阿拉斯加雪橇犬是一种尊贵、有特殊历史的种类.Alaskan Malamute is a noble dog with a unique hello story.阿拉斯加雪橇犬是一种高贵、有奇特汗青的品...
安娜有强烈的爱国心。Anna's patriotism was profound.他为爱国心所驱使.He was prompted by patriotism.显而易见, 他的爱国心必然会处在十分为难的地位.He was, as everybody must see, in a sad case for his patriotism....
Assume that atmosphere is made of diatom ideal gas in adiabatic equilibrium.大气可看成绝热平衡下的双原子理想气体.The food composition consisted of eight groups: diatom, protozoa, spongiaria, annelida, mollusca, crustacea, echinodermata an...