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 was not long ere a call came from the house and recalled me from my reflections...不久，家里打来了电话，把我从沉思中唤醒。Her eyebrows had the aspect of hills in spring , and her eyes -- reflections of an autumn stream.眉似青山, 眼如秋水A one - ...
“Well, what more dangerous do you want?”He argues.他嚷道Taylor argues that microwaves are a best bet for enhancement.泰勒论证说,微波比较适合于用来起增强作用.The report argues against tax increases...报告提出理由反对提高税率。Polchenko is civil , almost in...
Ask your doctor for a referral to a clinical psychologist.让你的医生给你推荐一位临床心理学家。Last night a top criminal psychologist cast doubt on the theory.昨天晚上，一位顶级犯罪心理学家使人们对该理论产生了怀疑。He passed himself off as a senior psychologist.他冒充成资...
然后那个伐木工脱手甩出了斧头。哐！每个人都听见了。Then the woodcutter let his axe fly— Thwack! Everyone heard it.伐木工们将圆木排顺流漂下.Lumbermen rafted the logs down the river.爸爸曾经在华盛顿州和俄勒冈州做过伐木工.Dad had been a lumberjack in Washington and Oregon....
The teacher asked us to buy a pair of compasses.老师要求我们买圆规.I am calibrating radio direction finder or adjusting compasses.我正在校准无线电测向仪或校正指南针.With straightedge and compasses, divide a segment of a into 2 parts.用直尺和圆规把线段a分成两...
Before academia regards port of departure of China's earliest maritime the Silk Road as fontal city.以往学术界把泉州作为中国最早的海上丝绸之路始发港.Fontal city is the ground city that the civilian battalion economy of famed whole nation d...