查询词典 angular coordinate

During the process of experimental teaching, it has been discovered that among cylinders and cones, students can better judge cones than tetra-angular pyramids; cones are more complicated than cylinders in the combination of surface control; and it is difficult for students to reasonably handle the parallel, ratio, and angle of perspective drawing.

五、在进行实验教学的历程中发现在柱体与锥体中学生的触觉判断以圆锥体最佳、四角锥最差；面与面的组合操作以锥体较难、柱体较易；透视图的平行、比例及角度的合理处理对学生是不容易的。

In calculating and the simulating the polarizing laser energy attenuation, the solved electric circuit could examine the response electric current peak-to-peak value relation which was caused by the laser when the weakened polarization is biggest and the laser is weakest. The survey requirements were satisfied when the laser angular resolution is 30°.

在计算及仿真了经偏振片后激光能量的衰减，求解电路能检测到最弱激光的幅值与偏振衰减最大时激光引起的响应电流的幅值的关系，得到在激光角分辨率为30°时满足探测要求。

For the perigee, the farthest from Earth is called apogee ; usually apogee , the satellite angular velocity of the slowest running ...

为近地点，距离地球最远的称为远地点；通常在遠地點時，衛星運行的角速度最慢。。。。

Vestibule; temporal bone; bony labyrinth; inner ear; perilymph; angular acceleration; hair cells; stereocilia; crista ampullaris; ampulla; cristae; cupula; vertigo; VOR; vestibulo-ocular reflex; vestibular nerve; vestibular nuclei; vestibular ganglion; equilibrium

前庭；颞骨；骨迷路；内耳；外淋巴；角加速度毛细胞；静纤毛；壶腹嵴；壶腹；嵴；吸盘；眩晕；VOR；前庭眼球反射；前庭神经；前庭神经核；前庭神经节；平衡

Contents: A Brief Review of Elementary Quantum Chemistry; An Introduction to Electronic Structure Theory; The Born-Oppenheimer Approximation; Time Evolution of Wavefunctions; Angular Momentum Summary; The Unitary Group Form of the Hamiltonian; Introduction to Hartree-Fock Theory; Permutational Symmetries of Integrals; Notes on Excited Electronic States; The Quantum Harmonic Oscillator; Assigning Symmetries of Vibrational Modes; Notes on Elementary Linear Algebra

内容： 初等量子化学的简评；电子结构理论的介绍；天生奥本海默的接近； Wavefunctions的时间演化；角动量摘要； Hamiltonian的单位的组形式；哈特里-Fock 理论的介绍；积分的Permutational对称性；在令人激动的电子国家上注明；这台量谐波振荡器；分配振动的方式的对称性；在初等线性代数上注明

Tapered roller bearings, Deep groove ball bearings, Angular contact ball bearings, Self-aligning ball bearings, Thrust bearings, Spherical roller bearings,Single row cylindrical bearings, Pillow block bearings etc.

圆锥滚子轴承、深沟球轴承、角接触球轴承、调心球轴承、推力轴承、调心滚子轴承、单列圆柱滚子轴承、外球面轴承等。

1 Pan Pearl River Delta Physics Olympiad 2009 2009 年泛珠三角及中华名校物理竞赛 Q2 Spin Torque (16 points)题 2 自旋力矩(16 分) An electron has permanent angular momentum called spin that is fixed in amplitude h / 4π, where h is the Planck Constant, while its direction can be changed by external interactions.

电子具有固有的角动量 S ，叫做自旋，其方向可在与外界的相互作用下改变，其大小为固定的 h / 4π，其中 h 为普朗克常数。一导线载有电流 I，导线的下半部分由磁化了的导体组成，上半部分由非磁性导体组成。

By Visual Basic 6.0 program, taken the distance between hole 200mm and buried depth 120～150mm as the optimization goal, the most optimum parameters range of the mechanism was obtained as follows: the initial angle between planet frame and the line formed from spraying-fertilizer needle-tip and planet wheel axle was -45°～-40°, the initial angular displacement of planet frame was 40°～50°, the distance between spraying-fertilizer needle-tip and the planetary gear axle center was 280～300mm, simultaneously, the semi-major axis of elliptic gear was 29.364mm, the teeth quantity was 23, the ratio of semi-minor axes and semi-major axis was 0.958, the radius of circular gear was 25mm.

对该机构进行运动学分析，建立了数学模型，以穴距200mm和入土深度120～150mm为寻优目标，应用Visual Basic 6.0软件编程得出满足机构运动要求的最优参数范围为：喷肥针尖和行星轮轴连线与行星架的初始夹角-45°～-40°、行星架初始角位移40°～50°、喷肥针尖与行星轮轴心距离280～300mm，此时椭圆齿轮长半轴29.364mm、齿数23、短半轴与长半轴比0.958，正圆齿轮半径25mm。

Such observation of relativistic effects requires measurements of changes of planetary motion amounting to a fraction of an angular second per year.

这样的相对论效应的观察需要能测量出行星每年总共只有百分之几弧秒的改变。

The angular extent in a specified plane which contains all the radius vectors of the polar curve of luminous intensity having lengths greater than a specified fraction of the maximum.

在某一平面上，一定角宽范围内所包含的光强极轴曲线上的矢径长度均大于其最大值的某一特定比例，这种情况定义为光束的发散。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。