梯形没有体积！它是一个平面图形！
平面图形的尺寸分析，作图步骤。
分析和标注平面图形的尺寸。
平面图形面积的计算具有较高的工程价值。
Computing the area of a planar graphs is valuable in engineering.
在花样信息处理部分，首先分析了平面图形变换原理。
In the part of patterns information processing, I firstly analyse the transforming principle of the plane graphics.
分析平面图形上点的加速度问题通常用基点法和瞬心法。
To analyse accelerations of points on plane figure generally the method of base point and the method of instantaneous acceleration center are used.
针对斜坡道工程，提出平面图形梯度差值生长构建算法；
As for the ramp engineering, the author put forward the difference incremental algorithms for the planar graph gradients.
本文提出二维平面图形的尺寸单元特征识别分类的方法。
The identifying and classifying method of the features of dimension elements in a 2-d plane graph is suggested.
分析平面图形上点的加速度问题一般采用基点法，很少采用瞬心法。
Generally, base point method is used when we analyze the acceleration of a paint in the plane figure, we seldom use the instantaneous center method.
本文介绍了一个用于二维平面图形的直线、圆弧相贯处理的新算法。
This article is intended to provide new algorithms for the intersection processing of straight line and arc used in the 2-D plane figure.
把算术运算和几何运算紧密结合起来，形成新颖的平面图形表达方法。
It makes a close combination of arithmetic and geometric operations, forming a new way of expression of plane figures.
作为这一算法的应用，本文给出了基于该裁剪技术的平面图形消隐算法。
As an application of this skill, the algorithm for hidden part removal of planar shapes is also presented in this paper.
本文给出了在计算机屏幕上绘制平面图形时，提高其绘制效果的优化方法。
In this paper, we gave the optimization method when drawing the plane graph on the computer screen.
探讨利用计算机视觉系统对目标物体平面图形面积和面积惯性矩的测量方法。
A method for measurement of area and moment of inertia of plane figures grabbed by computer vision system is presented in this paper.
自1968年从事设计。个人兴趣在出版与书籍设计、平面图形和信息建构。
My main interests are publication and book design, graphic dramaturgy and info architecture. Designs since 1968.
排料是以追求所剩废料最少为目的，在原料上面排放一系列平面图形的过程。
Aiming at minimum waste material, nesting is a process by which a series of horizontal graphics can be arranged on the original material.
利用该方法可以将基于信号频谱分析的故障诊断方法转化为平面图形的识别。
Using this method can be based on signal spectral analysis method of fault diagnosis into a planar graph recognition.
提出了一种关于自由度平面闭链机构的构型方法，即“平面图形构造方法”。
This paper puts forward a kind of method about type synthesis of the one dof planar closed chains mechanisms, that is , "type synthesis by planar graph".
汉字是中国文化的根基，作为表意文字的汉字具有二维平面图形的视觉特点。
As the ideogram, Chinese characters, the toot of Chinese culture, are featured by the vision of planar pictures.
前面六个是平面图形，后面三个是立体图形。今天我们学习长方体、方体的认识。
The first six shapes are plane figures, and the last three shapes are solid figures. Today we'll learn about cuboids and cubes.
介绍了同一平面图形按不同方式运动截取一部分形成的立方体的图形及计算方法。
The cube formed after cutting one part off the same planar graph in different ways of motion and its method of calculation are introduced.
介绍了同一平面图形按不同方式运动截取一部分形成的立方体的图形及计算方法。
This article employs the method of element changing in definite integral to spread the dimension formula of plane figures.
为了对平面实体进行曝光固化，需要同时得到平面图形的轮廓和内部填充的扫描轨迹。
To solidify the planar entities, the contour and the inner scanning paths of the planar graphics are necessary.
在显示屏作平面图形搜索场景，头部固定的试验条件下，绝大多数扫视幅度不大于8度。
The author also found that, in a screen display search scene and fixed-head condition, most saccade sizes are seldom larger that 8 degrees.
也正是由于它的存在，使平面图形设计的信息传达更加科学准确，表现手法更加丰富多彩。
It is due to its presence, so that graphic design to convey information in a more scientific and accurate, showing a more colorful way.
也正是由于它的存在，使平面图形设计的信息传达更加科学准确，表现手法更加丰富多彩。
Because of the existence of it, the information conveyed by planar graph design is more scientific and more accurate and expression methods are more colorful.
该软件的制作机制是建立好组成城市小区的基本图元，使用这些图元建构一个小区平面图形。
The compiling mechanism of the software is the building of the basic figure of a modern urban residential area, and with these basic figures, the plan of residential area can be drawn.
在具体运用上，应将简单图形复杂化，单一图形连续化，平面图形立体化，静止图形动态化。
In actual application, one should complicate the simple diagram, make single diagram successive, sterolize the surface diagram and take the static diagram as a mobile one.
本文提出了“加速度投影定理”，根据这一定理，建立了平面图形上任意两点加速度的投影关系。
The theorem of projection of acceleration has been presented in this paper. According to the theorem, projection relation of acceleration of arbitrary two points on the plane figure is built.
本文提出了“加速度投影定理”，根据这一定理，建立了平面图形上任意两点加速度的投影关系。
The theorem of projection of acceleration has been presented in this paper. According to the theorem, projection relation of acceleration of arbitrary two points on the plane figure is built.
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