缩小射击线网格的大小可以减少几何描述的误差，但增加了计算机的计算时间。
Narrowing the size of mesh can reduce the error, but the computer time of geometric description increased.
随着设计问题复杂程度的增加，2 +3模型表现出分形几何描述的某些性质。
As the complex degree of design problems increases, the 2 + 3 model exhibits some fractal features.
本文介绍了若干种综合使用了几何描述法并应用于直接式训练对准工具的新型技术。
New Developments in Vision Technology for Object Location and Inspection Several new techniques for directly training alignment tools synthetically using geometric descriptions are described.
在计算物理中，物体的几何描述和输入的正确与否将直接影响着计算结果的正确性。
In computing physics, the geometry description and input data can considerably affect the result.
首先，基于微分几何理论，得到了导弹运动的微分几何描述方程，无需估计剩余飞行时间。
First, a differential geometrical description equation is obtained based on differential geometry theory without the need to estimate the parameter of available time-to-go.
算例表明，该方法易于实现，而且能够在保证飞机几何描述的精度的同时，提高计算效率。
The result shows that the method is feasible and can guarantee the accuracy of the geometric description of aircraft, increase calculation efficiency.
这和平常的方法是一样的，如果给出，一条曲线的几何描述，就不得不自己判断，什么才是最好的参数化方法。
It is the same method as usual. And if you are being given a geometric description of a curve then, of course, you will have to decide for yourself what the best parameter will be.
由于用几何方法表示图像，所以可以在任何时候在一定范围内计算几何描述，从而重新创建整个图像（或一部分图像）。
This algebraic notation of the image allows the entire image, or just a portion of the image, to be recreated at any time by evaluating the algebraic description over the range of interest.
针对更一般的情形，利用压缩映象原理，给出了蛛网模型的稳定性条件，取消了通常的线性假设，同时提供了“蛛网”的一种简洁的几何描述。
With the use of the shrinked-map principle, we obtain a more general condition of the stability in cobweb model, where the usually cited linear hypothesis is canceled.
描述了通过X 射线衍射分析研究的其几何异构体dysamideC（2）的船形。
The boat conformation of its geometric isomer, dysamide C (2) studied by X-ray diffraction analysis is described.
分形几何提供了一种描述这种不规则复杂现象中的秩序和结构的新方法。
Divided the shape geometry to provide one kind to describe in this kind of irregular complex phenomenon order and the structure new method.
其他列中的值描述每个几何图形的属性（例如街道名称）。
Values in the additional columns describe properties (like street names) for each single geometry.
并用分形几何的方法描述砂轮表面轮廓形貌。
Using the method of fractal geometry to describe the profile of grinding wheels.
矢量图形格式不像光栅图形那样把颜色赋予像素，而是用线段活几何形状描述图像。
Instead of assigning colors to pixels as we do in raster graphics, a vector-graphics format describe an image in terms of lines and geometric shapes.
算例表明一些描述杆几何形状的变量在撞击分析中具有重要作用。
It is also found that some variables describing the geometrical shape of rods play an important role in impact dynamic system.
结果表明，在一般情况下，几何光学模型不能描述高斯光束经这种透镜的物像变换。
It is shown that the geometrical optics model can not be used to describe the object-image transformation of Gaussian beam through the lens under the general case.
本文用几何光学描述了离轴探测调焦误差信号与系统参数的关系，并与实验结果进行了比较。
Characteristics of the defocusing error signals are expressed in the terms of an off-axial detection system by geometric optics. The results are compared with experiment.
它把描述零件的信息分为三个层次：零件的总体描述层、零件的语义层和零件的几何层。
The information describing part are divided into the overall specification, the semantic information and the geometric information.
对象节点在场景中描述物体，例如角色部分，几何体物体，灯光和摄像机等等。
Object nodes represent objects in the scene, such as character parts, geometry objects, lights, cameras, and so on.
裂缝油藏和非均质油藏的结构是很复杂的，往往难以描述尺度和几何形态。
It is hard to describe the scale and geometry of fracture and heterogeneous reservoirs because of their complicated structures.
针对这一抛土现象，本文给出了图像几何分区统计描述法。
In this thesis we give a method named "image geometry division" to describe the phenomenon.
构建形状从几何原语，从而创造数学描述的对象。
Construct shapes from geometric primitives, thereby creating mathematical descriptions of objects.
其复杂程度可以用描述几何不规则性的分维来定量评价。
Its complexity degree can be quantitatively evaluated using fractal dimension that can describe geometrical irregularity.
内容图形从标题、组织信息和几何参照三个方面进行描述。
The content graph metadata gives description in three aspects: title, organization information and geometric reference.
依据STEP标准定义了几何元素类型，基于UML描述了类结构定义。
Geometry elements are defined in accordance with STEP, and classes 'structure is described based on UML.
提出一种基于STEP标准的汽车后桥主传动器中圆锥齿轮类零件的几何模型描述，并制定出它的应用协议(ZCAP)。
This paper presents a geometric model description methods of the cone gear for final driver of automobile driving axle system based on STEP, and establishes application protocol (ZCAP).
给出了过滤片的几何形状、行为描述、能量方程以及约束方程。
The geometric shape, deformation behavior description, energy equation and constraint equation of the filter is constructed.
通过研究引信和钟表小轴类零件基于知识和实例的表示方法，建立了面向对象的零件几何、工艺特征信息描述方法。
Studying representation method of fusee and small spindle part of the case-and-knowledge-based, the described method of objected oriented of geometry feature and process feature information is built.
数学形态学以集合理论为基础，是几何形状描述与分析和非线性滤波的有力工具。
Mathematics morphology is based on set theory, which is a powerful approach in geometrical description and nonlinear filtering.
并用几何图形描述了石墨圆筒表面上刻蚀轨迹的几种情况。
A number of traces etched on the surface of graphite pot are described diagrammatically.
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