查询词典 symmetry axis

Trend and plunge of the symmetry axis, and depth distribution of anisotropy, on the variation pattern.

太行山隆起地区是研究华北克拉通构造运动以及动力学过程的重要场所。

When the symmetry axis of plutonium component coincides with that of container, the radiation distribution is cylindrical.

从武器上拆卸下的钚部件通常装在特定的密封容器罐内，当具有轴对称结构的钚部件的对称轴与容器罐的对称轴重合时，容器罐外的γ辐射场分布具有轴对称性。

In the washing out the symmetry axis of the paper machine distributed four side point, and visiting pharyngo measuremen one of the biggest noise.

在晾纸机的对称轴上分布四个侧点，并巡咽测量确定一个最大噪声点。

Therefore, with variations of spatial orientation of the symmetry axis and the surveying line azimuth, patterns of body_wave velocity show variety, and have some symmetries, gradual changes and repetitions.

因此，随着TI对称轴取向的空间变化和测线方位的变化，体波速度图案呈现多样性变化，并具有一定的对称性、渐变和重复性。

By making use of the property that the zero-order Bessel function's derivative J′0(0)=0, the DQDHT can calculate the values on the symmetry axis directly.

通过利用零阶贝塞尔函数导数在零点处为零的特性，所提出的准离散汉克尔变换算法可以直接计算光束传输时对称轴上的值。

The shape of cross-section is an ellipse folded in half through one symmetry axis, and the axis keeps perpendicular with pinacoid-view.

断面形状为沿对称轴对折的椭圆，此对称轴始终垂直于轴截面，其方向与平面图上的流道中线无关。

Beijing axis is the axis of the Ming and Qing Beijing, the Beijing Urban Planning to have a symmetrical Miyagi as the central feature of many buildings built on the symmetry axis, known as the axis.

北京中轴线是指明清北京城的中轴线，北京的城市规划具有以宫城为中心左右对称的特点，很多建筑都建筑在对称轴上，称为中轴线。

We studied that the transfer matrix ABCD theorem for the passage of paraxial rays or the optical system possessing a rotational symmetry axis can be generalized for the skew rays propagated off-axis, whether the optical system possessing rotational symmetry axis or not.

本文推广了几何光学近轴光线传输的ABCD定理，使之适用于远离光轴的空间光线的传输，无论光学系统是旋转对称的还是非旋转对称的。

From this axis at the southern end of the Yongding Men, there is the Temple of Heaven, Xiannong Tan, the East side-door, side-door of the West, Chongwenmen, Xuanwumen, Tai Miao, the state altar, Donghua Men, West China Gate, Dongzhimen, West Direct Doors, Andingmen, Deshengmen axis symmetry axis distribution.

从这条中轴线的南端永定门起，就有天坛、先农坛，东便门、西便门，崇文门、宣武门，太庙、社稷坛，东华门、西华门、东直门，西直门，安定门，德胜门以中轴线为轴对称分布。

The results of 3-D numerical modeling of the transversely isotropic media with horizontal symmetry axis and the orthorhombic symmetry media showed that quasi P wave,quasi-SV wave and quasi-SH wave occurred during elastic wave propagation in 3-D anisotropic media. Meanwhile, the special phenomena such as the S wave splitting, the blind zone of S wave splitting and quasi-SV wave-front triplication were clearly observed. In addition, the elastic wave-fronts are spatially changed, and the coupled relations among the quasi-P wave,quasi-SV wave and quasiSH wave in 3-D anisotropic media are very complex.

对方位各向异性介质模型和正交各向异性介质模型中弹性波的传播进行的三维数值模拟结果表明，弹性波在三维各向异性介质中传播时存在拟P波、拟SV波和拟SH波，并出现横波分裂、横波分裂盲区、波面三分叉等特殊现象，另外，性波场在空间是变化的，其拟P波、拟SV波和拟SH波的耦合关系比较复杂。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。