查询词典 ellipsoid

The positioning of Construction Ellipsoid may correct the quasi-geoids tilting with reference ellipsoid in engineering surveying and can make better accuracy of the data transformation.

采用"施工椭球"定位方法，可以改正工程测区的似大地水准面相对于参考椭球面的倾斜，提高GPS数据转换的精度。

The paper analyzes theoretically the influence law of length distortion after the reductions from measured side length to reference ellipsoid surface and then from side length on the reference ellipsoid surface to gauss perspective plane. It also discusses theoretical methods to restrict and the projection distortion influence.

从理论上分析了将实测边长归算到参考椭球面上和将参考椭球面上的边长归算到高斯投影面上的长度变形影响规律，讨论限制和减小这种投影变形影响的理论方法。

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。

Ovary and capsule ± ellipsoid or, if ovoid-ellipsoid to broadly ovoid, then styles 4-5 mm; uppermost leaf pair bracteose

子房和蒴果多少椭圆形的或，如果卵球状椭圆形的到宽卵形，然后花柱4-5毫米；最上部的叶对多苞片 69

Fruit cylindrical to oblique-ovoid or ellipsoid to ellipsoid-ovoid; filaments flexuous.

卵圆形果圆筒状的到斜卵球形的或椭圆形到椭圆形；花丝曲折。

Fruit red, ellipsoid, 7–9 mm, subglabrous, lenticellate; seeds blackish brown, ellipsoid, 2–3 mm, smooth.

红色的果，椭圆体，毫米，近无毛，具皮孔；微黑的种子使成褐色，椭圆体，毫米，滤波。

Flowers bisexual, ellipsoid or broadly ellipsoid to obovoid to oblong in bud.

在芽中的花两性，椭圆形的或宽椭圆形到倒卵球形到长圆形。

First, sequential tomograms of the hip are obtained from a CT scan; secondly, an accurate and automatic method is used to extract the profile of the acetabulum; thirdly, a hybrid method is utilized to gather fiducial marks on the acetabulum; fourthly, bulky error sampling points are removed. Finally, an ellipsoid fitting method is used to fit the ellipsoid model of the femoral head. Two male sufferers with different necrosis extents are chosen as experimental subjects for contrastive simulation.

首先利用一种精确的自动分割方法在髋骨部位CT序列图像中提取髋臼轮廓；然后使用基于等距栅格采样法与辐条式采样法相结合的混合采样法得到髋臼凹面的空间坐标点集，并剔除其中的误差采样点；最后采用基于二次曲面一般方程的方法拟合原始股骨头椭球面模型。

Non-extension and equal shortening plane: The plane that cut through the center of the strain ellipsoid is normally elliptical but there are two tangential, global and strain ellipsoid circular sections.

无伸缩面与等伸缩面：切过应变椭圆球体中心的面一般为椭圆形状，但其中有两个切面的球形的，较应变椭球的圆截面。

In this paper,the area ratio of plane figure affine transformation in space is investigated,and the transformation equation of λ multiple of area is got , the area change of plane figure under affine transformation in space is studied, a important property of three axis ellipsoid is given and proved.

探讨了空间场的仿射变换下平面图形的面积比，推导出λ倍积变换方程式，进而探讨了空间场的仿射变换下平面图形面积的变化规律，给出并证明了三轴椭球体的一个重要性质。

Pradeep Indulkar, a senior official at the Maharashtra state Home Ministry say 101 human were killed and 287 injured.

马哈拉施特拉邦内政部高级官员Pradeep Indulkar称，有101人在冲突中丧生，287人受伤。

Mark Frei, a senior vice president of West, says 80% of West's homeagents have some college education, compared with 30% of those whowork in office-based call centers.

Frei说，该公司80%在家办公的人员都拥有本科学位，而在公司电话中心工作的人中只有30%拥有本科学位。