查询词典 two dimensional

Here, on the basis of two-dimensional bar code, a new type of bar code, three-dimensional bar code is designed.

在二维条码的基础上，本文设计了一种新的条码--三维条码。

The book review first vector and matrix algebra, the basic concepts and then described in detail geometry involved in a variety of two-dimensional graphics and three-dimensional geometric measurement of the object, the intersection of various algorithms and other issues, and provides information on the theme of a large number of computational geometry materials in order to facilitate quick reference.

全书先复习了向量和矩阵代数的基本概念，而后详细地描述了图形几何学涉及的各种二维和三维对象的几何测量、相交等问题的各种算法，并提供了关于计算几何学主题的大量材料以便于快速参考。

In this study we combined two-dimensional, Doppler, three- and four-dimensional echocardiography, Transesophageal echocardiography , and the new technique-acoustic quantification with radionuclide ventriculography and right heart catheter examinations a...

本研究利用经胸二维超声、多普勒超声、三维及四维超声、声学定量技术和经食管超声等多种超声技术，与核素心室造影、结合较为系统地对右心功能进行了研究。

Firstly, based on the structure of the vibration characteristics, the response spectrum analysis method is used to study the seismic response of the structure with the two-dimensional and three-dimensional seismic input and vertical seismic analysis of the bridge structure are investigated.

首先，基于结构的自振特性，分别在二维和三维地震动输入下，采用反应谱分析方法，研究结构的地震响应特性，分析竖向地震力对桥梁结构反应的影响。

All the seven order ocular aberrations are measured with the aberrometer. The ocular aberrations are described with Zernike polynomials, two-dimensional and three-dimensional wave-front aberration maps.

该像差仪能测量出人眼的全部七阶像差，采用Zernike多项式、两维和三维波前像差图对人眼像差进行了描述，给出了计算各项波前像差的均方根的公式。

The Ehrlich-Schwoebel barriers of an adatom Cu diffusing down an island of fcc Cu are calculated by molecular dynamical simulation.The two-dimensional(2D) and three-dimensional(3D) ES barriers are calculated and compared with the results of Al.

利用分子动力学中的静态结构弛豫方法对Cu原子在面心立方铜的台阶表面扩散过程中的Ehrlich-Schwoebel势垒进行了模拟计算，研究了二维和三维ES势垒的差别，并将Cu与面心立方Al的结果进行了比较。

It was confirmed that the analogous relations between unsteady one-dimensional chromatographic process and steady two-dimensional CAC process proposed by Wankat still exist regardless of the bioreaction, and the analogous results were shown. A mathematical relation between the feed and the eluant flowrates was established for keeping the CAC in good operation. The optimization of the hybrid process were also discussed.

从理论上指出了在伴有生物反应时，二维稳态CAC过程与一维非稳态间歇色谱过程仍然存在类比关系，并给出了类比结果，推导了使CAC过程处于良好操作状态时进料及洗脱速率应满足的数学关系，对于生物反应液相色谱分离耦合过程的优化原则也进行了初步探讨。

With the three axes circumrotation method, the position of the incident laser is unchanged, and the conversion from the complicate three-dimensional spatial position relation into a two-dimensional plane is realized, by adjusting the relative positions of the detector and the target with certain spatial conversion relation.

采用三轴旋转方式，保持入射光源的位置不变，调整探测器和待测目标的相对位置，配合一定的空间转换关系，实现了将复杂的三维空间位置关系转换到二维平面进行调节。

Methods One normal adult male was choosed, and his left elbow joint performed in pronation and extention position was scanned by spinal CT, and the two-dimensional image was dealed with Mimics 1 0 software, the three-dimensional finite element model was built up by Abaqus 6.7 software. Finite element calculation was performed to simulate the impact of 1 000 N on the elbow joint, and the stress distribution in the radial head and coronoid were analyzed.

选取1名正常成年男性为研究对象，使其左肘关节处于旋前伸直位，行螺旋CT断层扫描，得到CT数据二维图像，采用Mimics 10.0软件系统处理，利用Abaqus 6.7建立肘关节三维有限元模型，模拟施加1000 N冲击载荷，分析冠状突及桡骨小头内应力分布情况。

This is the first example of two-dimensional lanthanide MOFs with one dimensional water chains.2、Coordination polymer[Nd_2_3(H_2O)_2]·bpy·4H_2O(2)(bpdc=2, 2′-bipyridine-3,3′-dicarboxylate,bpy=4,4′-bipyridine)had been synthesized under hydrothermal conditions and its structures were determined by X-ray diffraction,and confirmed by IR and TG analysis.

该结构是在二维骨架的镧系配位聚合物中首次观察到的一维的水链结构。2、以Nd_2O_3，2，2′-联吡啶-3，3′-二羧酸和4，4′-联吡啶为原料，采用水热法合成了一个具有二维骨架结构的配位聚合物[Nd_2_3(H_2O)_2]bpy·4H_2O，通过IR、x射线单晶衍射分析和热重等手段对其结构进行了表征。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。