几何的

To predict the geometric operational range of an acoustic homing torpedo under different hydrological condition, this paper presents a method to determine geometric operational range by using sound ray density.

为预报声自导鱼雷在不同水文条件下的几何作用距离，提出了运用声线密度判定几何作用距离的方法。

It is pointed out that Ming Antu was the first inventor of Catalan numbers in the world . He constructed one geometric model, in which some infinite series with Catalan numbers as coefficients were contained.

指出了明安图是世界上第一位卡塔兰数的发明人，他构建了一个几何模型，在这个几何模型中包含了用卡塔兰数作为系数的无穷级数。

This paper establishes the relations between braided parameters and geometry parameters and it is valid by experiments.

并建立了编织工艺参数和几何结构参数的关系，通过实验验证，证明了工艺参数和几何结构参数之间关系的正确性。

The results showed that:(1) some governing points, which were measured by submeter precision GPS, were utilized to correct the 1 m precision remote sensing image and it could satisfy the desired precision of geometrical correction, therefore, this method could be used as geometrical correction in the region where was short of the big scale relief map;(2) the density of the original data was the main factor to affect precision of the volume, and the precision of the calculated volume of earthwork could be improved to more than 90% when using the test points and feature points; the sparser the data density were, more significant could be improved; On the base that elevation of test points were measured by the submeter precision GPS, the error of the volume, which was produced by vectoring relief map to obtain DEM, could be calculated, and the calculation precision of the earthwork could be improved markedly.

结果表明：利用平面精度达亚米级的GPS测量控制点坐标对1米分辨率的遥感卫星影像进行几何校正，能够满足其几何校正的精度要求，可以解决缺乏大比例尺地形图地区的高分辨率遥感卫星影像的几何校正问题；通过对模型数据的分析，数据密度是影响体积精度的主要因素，利用检测点高程和特征点可以提高土方量计算的精度，使土方量计算的精度达到90％以上，数据密度越稀疏，精度提高越显著；采用高程精度达厘米级的RTK(Real Time Kinematic实时动态差分)测量检测点的高程，对用地形图扫描矢量化形成的DEM模型进行检测求出误差体积，可以大大提高土方量的计算精度。

CAD X11 includes 3-D wireframe modeling, surfacing, DXF output, 2-D drafting with ANSI, ISO and JIS dimensioning, geometric tolerance, TrueType Font support, undo and redo, multiple views, data verification, geometric analysis, crosshatching, layering, PDF output and online help.

CAD X11版本包括3-D Wireframe建模，平面制图，DXF输出，使用ANSI， ISO和JIS标准的2-D制图，几何度量，真字体支持，撤销操作和重复操作，多角度预览，数据检测，几何分析，网状阴影，图层，PDF文档输出以及在线帮助等功能。

Based on the differential geometry, mechanical system dynamics, theoretical mechanics, strength of materials and elasticity theory, we made the study for the enwinding system in the roller of the ZJ70D rig. Finally, we solved the equations in the computers.

本文依据微分几何、机械系统动力学、理论力学、材料力学及弹性力学等基础理论，对钢丝绳在LEBUS绳槽滚筒缠绕行为进行了几何、动力学及静力学等方面的研究，并基于ZJ70D钻机结构参数进行求解。

Taking a building model setting tertiary LOP node as example, the modeling conversion in virtual maintenance environment was researched.

针对虚拟维修仿真中单纯几何建模方法存在的局限性，结合装备维修实际，提出双向虚拟维修样机几何属性建模方法。

The discovery in the mid-nineteenth century of non-Euclidean geometry meant that philosophers were forced to reassess the status of Euclidean geometry which had previously been regarded as the shinning example of certain knowledge of the world.

在19世纪中叶的非欧几里得几何意味着哲学家被迫重新评估欧几里德几何了曾被作为世界上某些知识灿烂如发现视为地位。

The purpose of this study is to discuss students' geometric concept and meta-cognition of quadrilaterals by employing the geometric thinking model developed by Pierre van Hiele and the performance assessment.

本研究旨在结合van Hiele几何思考模式与实作评量，探讨学生的四边形几何概念及其后设认知。

Delaunay triangulation is one of the key parts in the field of computer-aided design,geometric modeling and computer graphics.

Delaunay三角剖分是计算机辅助几何设计、几何造型及计算机图形学中的重要研究内容之一。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。