我的意思是它可能有点弯曲，但大致上，它看起来像空间中的平行四边形。
I mean it might be slightly curvy, but roughly, it looks like a parallelogram in space.
四边形被剪成了平行四边形。
这里有幅更好的图。我说经过C 的是 C左边的这个阴影平行四边形。
Here is a better picture. I claim that what will be going through C is this shaded parallelogram to the left of C.
在曲面上做一些网格，你会看到一个网上的每一小块儿，都是小的平行四边形，我们要弄清楚它的面积和法向量是什么。
You will get some sort of mesh grid on your surface and you will look at a little parallelogram that is an elementary piece of that mesh and figure out what is its area and normal vector.
或者说它可以有轻微的弯曲，但它大体上像一个平行四边形。
I mean it might be slightly curvy, but roughly it looks like a parallelogram in space.
这面积，约等于平行四边形的一半，我能用向量表示它。
So, the area is approximately equal to one half of the area of a parallelogram that I could form from these vectors.
当然这个平行四边形还是有同样的面积，也在同一个平面上。
Sure, the parallelogram still has the same area, and it's still in the same plane.
每个三角形的面积等于拼成的平行四边形面积的。
The area of every triangle equals the area of the parallelogram.
如果该数组包含三个元素，则平行四边形的右下角位置的点可从前三个点导出。
If the array contains three elements, the lower-right corner of the parallelogram is implied by the first three points.
该仪器索赔9日，其中四杆连杆是一个平行四边形。
The apparatus of claim 9, wherein the four-bar-linkage is a parallelogram.
七年级数学要学的东西确实挺难：比例、小数、平行四边形的面积。
The kinds of things you need to learn in seventh grade math, sure, they're hard: ratios, decimals, the area of a parallelogram.
利用平行四边形连杆和齿轮的组合设计了一种外骨骼机构。
A new type of exoskeleton mechanism has been developed by combination of parallelogram link and gear.
两个完全一样的三角形可以拼成一个平行四边形；
师：已知平行四边形的底和高，就可以求出它的面积。
Teacher: We can work out the area of a parallelogram if we know the base and height of it.
棱柱（体），角柱（体）多面固体，上下两底面大小、形状相同，且彼此平行，其余诸面则为平行四边形。
A solid figure whose bases or ends have the same size and shape and are parallel to one another and each of whose sides is a parallelogram.
其整合遵循平行四边形法则。
在两者关系的基础上，提出了组-角色分配的平行四边形法则。
Then based on this relationship, a parallelogram principle for Group-Role Assignment was proposed.
这一计划在一个平行四边形内设计，直接面对南北向的多余线条切割了场地东西边沿。
The plan was designed in a parallelogram, cutting the site's east and west edges with additional lines that confronts directly to the south-north direction.
并采用平行四边形法，分析了经纬纱密度等织物参数对织物变形能力的影响。
The deformation capability affected by the fabric parameters such as warp and weft yarn density is also analyzed based on the parallelogram method.
梯形是具有两平行边的四边形。
经过推理，可以得出这两个平行四边形是相似形。
After reasoning, one can conclude that these two parallelograms are similar figures.
该模型认为，当主干与侧枝的截面积之间存在类似平行四边形法则的关系时，分枝的体积取极小值。
This model suggests that, when the relation "parallelogram rule" exists between main stem and sub branches, the total volume of branches is minimal.
本文推导了平行四边形板弯曲问题的斜座标基本公式。
In this paper, fundamental formulas have been derived for the bending of a parallel quadrilateral plate in the incline coordinates.
提出了一种新型2 -DOF平面并联定位机构，它由直线电机直接驱动含有平行四边形支链的并联杆机构来实现末端平台平面内的平动。
A novel 2-dof precision positioning mechanism consisting of two parallelogram chains drived directly by linear voice motors was presented.
有两个平行边的四边形。
这些星星组成了一个平行四边形-对边等长且平行的四边形。
These stars form a parallelogram – a four-sided figure with its opposite sides equally long and parallel to one another.
本文主要分析崩茬的原因以及平行四边形法则在控制崩茬问题上的应用。
The paper mainly analyses the cause of crumble, discusses the effective control of the timber crumble and the application of the rule of parallelogram in the process of manufacture.
设计了利用KOH溶液定向腐蚀制作出的平行四边形蚀坑串，所形成的锯齿状沟槽结构来固定光纤。
The dentate groove is devised which is composed of a series of the etched parallelogram pits in KOH solution.
设计了利用KOH溶液定向腐蚀制作出的平行四边形蚀坑串，所形成的锯齿状沟槽结构来固定光纤。
The dentate groove is devised which is composed of a series of the etched parallelogram pits in KOH solution.
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