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...
Among which , 82 cases had anaphylactic shocks , which accounted for 2.12 % of the total.所有病例中发生过敏性休克者82例,发生率为2.12%.Anaphylactic and anaphylactoid reactions can be associated with bronchospasm and pulmonary edema.过敏及类过敏反...
...Maytag, one of America's biggest domestic appliance manufacturers.美泰克公司,美国最大的家电制造商之一Vietnam has emerged as the world's third-biggest rice exporter...越南已跃居世界第三大稻米出口国。That deal would create, in effect, the wor...
Please move the manhole cover away .请将人孔盖移开。Stainless steel bolts and nuts shall be tightened on manhole covers.人孔盖使用不锈钢螺栓和螺母拧紧.Debus turn head in the manhole 2 to have equipments smoothly entered.在人井2中,将弯头卸下,便于设备进入.How ...
Carman Kass looked girlie in a black ruffle chiffon dress.身着黑色褶边薄纱裙的卡门?卡斯看起来仿若少女.Lost actress Evangeline Lilly opted for a simple chiffon pink number.《迷失》中的女主角伊万杰琳·莉莉选择了一条简单的粉色薄纱裙.This fuchsia ruche chiffon blouse is a l...