方位

An IP address shows the netizen that is Guangzhou city to say in leave a message: Click when me ' watch monumental close shot ' when pushbutton, I see monument east, south, on the west, the tablet body lower end of boreal all sides is engraving: Aseismatic monument, the magnitude of shake of earth of plain of short of Wenshui River, time and azimuth, life is the same as brightness, character of quadruplet of coexistence of mountains and rivers-land.

一位IP地址显示为广州市的网友在留言中说：当我点击'观看纪念碑近景'的按钮时，我看到纪念碑东、南、西、北四面的碑体下端刻着：抗震纪念碑，汶川大地震的震级、时间和方位，日月同辉，山川共存四组文字。

Computation of the vibration displacement distribution in circular AT cut quartz plates was carried out by finite element analysis code ANSYS, when quartz plate was subjected to a force along its diameter.

利用有限元理论，对AT切石英晶体沿不同方位角度施加对径力作用时，计算晶片内的振动位移分布情况。

From the maximum value of peak ground acceleration along all profiles, it's found that the radial component is about 2 times larger than the vertical component.

考虑到数值模拟中所采用的震源机制以及方位差异，剖面SC01同SC02、SC03之间在切向分量最大值的差异是可以理解的。

Firstly, radial horizontal component and transverse horizontal component are derived from tri-channel seismic data at the surface and the bedrock in borehole array by back-azimuth decomposition method, and the histories of radial and vertical components are divided into two parts by Sg wave arrived time. Moreover, it is supposed that transverse horizontal components are made up of SH wave, while vertical component and radial horizontal component are constituted by P-SV wave system.

针对钻井台阵的两处三分量加速度记录，根据反向方位角将两水平分量分解为径向水平分量和横向水平分量，假设横向水平分量由SH波系组成，竖向分量和径向分水平量由P-SV波系组成。

It has a high accuracy and a rapid convergence.

对经典的纯方位跟踪问题进行了仿真。

Based on Pseudo-linearization and least square methods, the bearings-only target motion problem was studied under the conditions that the target takes uniform rectilinear motion in 2-dimensional space, the single observer takes uniform rectilinear motion first, and then takes rectilinear motion with constant acceleration. The necessary and sufficient observable conditions, some unobservable conditions are gained.

基于拟线性处理和最小二乘方法，在目标作匀速直线运动，单观测站作匀速直线运动，进而作匀加速直线运动的机动情形下，研究了二维纯方位系统的可观测性，得到了系统可观测性的充要条件以及系统的某些不可观测的条件。

The input method of multi-scale data and three levels data index are investigated, a new own idea about how to represent multi-scale seamless data is advanced. The viewpoints that seamless GIS is looked on surface of globe reference ellipsoid as spatial information positioning standard and looked on geographic coordinates as reference of spatial data storage are explored, and based on reference ellipsoid surface coordinate, the measurement model of distance, azimuth angle and area are given.(4) The flowchart of data production of seamless GIS is analyzed, on the basis of the program algorithm and the interactive processing of feature adjoining relation, the data production method of seamless GIS is discussed.

研究了无缝GIS多格式、多比例尺空间数据入库的模式，创新性地提出了用数据中间件模式解决GIS多源空间数据无缝集成的新方法，研究了多比例尺数据入库的方法和三级索引机制，并对无缝GIS数据的多尺度表示提出了自己的看法；阐述了无缝GIS以地球椭球面为空间信息定位的参考面、以地理坐标进行空间数据存储的观点，并给出了在椭球坐标系下的距离、方位角和面积度量模型。

Based on the rigorous coupled wave theory, the phenomenon that the zero order reflection efficiency of rectangular subwavelength grating varies with the wavelength is studied when incidence angle , azimuth and grating parameters are variant.

摘要从严格耦合波衍射理论出发，在不同入射角、方位角和光栅参数下的情况，计算了矩形亚波长光栅零级反射效率随入射光波长的变化。

Based on the rigorous coupled wave theory,the phenomenon that the zero order reflection efficiency of rectangular subwavelength grating varies with the wavelength is studied when incidence angle,azimuth and grating parameters are variant.

从严格耦合波衍射理论出发，在不同入射角、方位角和光栅参数下的情况，计算了矩形亚波长光栅零级反射效率随入射光波长的变化。

The error model identification of accelerometers on a azimuth strapdown platform system is also concerned in the dissertation. The composite 14 position test plan of the regular hexahedron and octahedron is provided, and identification results are obtained by using improved progressive regression algorithm.

本文实验研究了方位捷联平台系统加速度计误差模型辨识方法，根据最优试验设计理论设计了正六面体和正八面体组合十四位置试验计划，并用改进的逐步回归算法给出了辨识结果。

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％。