So this will be the length of the femur d and this will be the thickness, d A and this will be the cross-sectional area A.
所以这就是股骨的长度,这是它的厚度,这是它的横截面积。
The first step in all 3-d printing processes is for software to take cross-sections through the part to be created and calculate how each layer needs to be constructed.
打印的第一步是都是要用软件得到要打印部分的横截面，然后计算出每一层是怎样构成的。
These numerous examples of cross-reactions raise another question: why does Bet v 1 cause an allergy to the Mal d 1 protein but not the other way around?
这么多交叉反应的例子提出了另一个问题：为什么Betv1会导致对Mald 1蛋白质的过敏，反过来Mal d 1却不会导致Bet v 1过敏？
The D-Dimer and E fragment are degradation products of cross-linked fibrin.
双聚体和E片段均为交联型纤维蛋白的降解产物。
This method enhanced the measuring accuracy by using the methods of wave head counting and zero-cross detection, and it implemented 3-d positioning with triangle square wave.
该定位系统采用波头计数与零交叉点检测的方法来提高超声测距精度，并通过三角形方法来实现三维定位。
The author summarizes the factors which affect the elastic modulus of 3-d braided composites and the cross model of the composites is modified twice firstly.
本文作者总结了影响三维编织复合材料弹性常数的因素，并首次对三维编织复合材料的交叉模型进行了两次修正。
The technique involves capturing two images 6 to 10 degrees apart that are cross-polarized and then superimposed, in much the same way as two images are used to create 3-d movies.
该技术包括6 -10度正交偏振的分别捕获两幅图片并加以重叠，同样方法常用于三维电影的制作。
CONCLUSION: Combination of 3-d finite-element model with spiral CT-cross technology establishes complex dental models, simulates practical conditions authentically and is good in operation.
结论：螺旋ct断层扫描技术与三维有限元法相结合，可以建立复杂的牙模型，且能真实地模拟实际情况，使用性好。
The practical space method for calculation of internal forces is adopted for structure design and the stresses of important cross section are checked by 3-D FEM.
结构设计时可采用作者提出的实用空间法计算内力并进行配筋设计，用三维实体有限元方法校核主要受力断面的应力状态。
A formulation to analyse the large displacement problem of a Marine riser with two unequal principal moments of inertia of the cross section in the 3-d space is presented.
本文对截面具有两个不相等主惯性矩的海洋石油立管的三向大位移分析作了理论推导。
The method can readily get access to the aribitry cross sections from the 3-D seismic data volume and display it.
该方法便于访问和显示三维地震数据体任意方向的剖面。
This dissertation is concerned with the problem of reconstructing the surfaces of 3-d objects from a collection of planar contours representing cross sections through the objects.
本文主要关注基于轮廓数据的三维物体对象曲面重构问题，轮廓表示着一系列通过物体对象的断层截面形状。
Surface interpolation of cross-sectional images is one of the techniques of crucial importance in 3-D reconstruction.
断层图象序列的层间插值是三维重建的关键技术之一。
Hydraulic transients in piping systems are usually calculated by one-dimensional theory, in which real 3-d piping is replaced, by an equivalent straight conduit with the same cross section.
管道系统的水力过渡过程通常是采用一维理论进行计算的，因此实际的三维管道通常采用沿中心线延伸变成具有相同过流断面的等效直管来代替。
This paper presents a 3-d wind resistant design method satisfying comfort requirements of residents of tower buildings with rectangular cross-section.
本文探讨了矩形塔式高层建筑满足人舒适要求的三维抗风设计方法。
This paper presents a 3-d wind resistant design method satisfying comfort requirements of residents of tower buildings with rectangular cross-section.
本文探讨了矩形塔式高层建筑满足人舒适要求的三维抗风设计方法。
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