长方体

chánɡ fānɡ tǐ
  • cuboid
长方体长方体
长方体 [cháng fāng tǐ]
  • [cuboid] 长和宽不相等,诸面角均为直角的平行六面体

  1. 本文利用n维长方体的几何模型引进了一类新的平均值概念&(m,k)均衡平均值Bm~k并建立了均衡平均值间的序关系链(9)。

    In this paper , a new notion about the ( k , m ) equilibrium mean B : have produced from geometrical model of the n - dimensional cuboid , and the inequality chain between these mean have proved .

  2. TCAS的冲突门限是基于时间的,建立相当于不规则椭圆,ADS-B模型是一个长方体,只要是入侵机进入这个长方体区域,告警就发生。

    The conflict threshold is TCAS based on time , build equivalent to irregular oval , ADS - B model is a cuboid , as long as it is invaded machine into the cuboid area , alerting occurs .

  3. FDS(FireDynamicsSimulator)作为一种高效的火灾模拟软件,在对非长方体隧道进行火灾模拟时有很大局限性。

    As an efficient fire dynamics simulator , FDS was limited to construct the rectangular block .

  4. 只需要给box指定几个参数(长、宽和高)就能够创建长方体。

    It 's possible to create rectangles with box just by adding a few parameters ( width , height , and depth ) .

  5. X射线衍射和电镜扫描分析表明碳酸稀土产品属晶型结构,为长方体和纺锤形状结晶。

    The X ray diffraction and scanning electron microscope analyses show that the product possesses crystal structure , and the crystallized grain is rectangular and fusiform .

  6. 用MonteCarlo随机模拟方法模拟砂土颗粒在重力作用下,在圆柱与长方体容器中的自然堆积过程。

    The natural packing structure of sand grains under gravity within cylindrical and cuboidal container has been simulated using Monte Carlo method .

  7. 人们今后还可沿着占角和穴度的哲学思想,对直角多边形和长方体packing问题展开研究。

    In the future , rectilinear block packing and cuboid packing problems could be studied further on the basis of corner-occupying action and caving degree .

  8. 每个长方体的体积反应迭代的相对LOE。

    The volume of each rectangular solid reflects the iteration 's relative LOE .

  9. 本文还给出了当透视投影图象的主灭点为未知时,根据长方体的透视投影,计算其主灭点的坐标及透视变换参数r的计算公式。

    A set of equations which are used to evaluate the coordinates of main vanishing point and the parameter r of transformation according to a projection of regular hexahedron when main vanishing point is unknown are also provided .

  10. 长方体货物装载优化问题是NP完备的,问题本身具有重要的理论价值,并在交通运输、工业生产和空间规划等领域有着广泛的实际应用背景。

    The optimization problem of the load of rectangular goods is of NP complete , which has important theoretical value and can find extensive applications in industrial production and spatial planning , etc.

  11. 另外,通过CIP模拟和试验,发现在不同脱脂温度(1100℃、850℃)下得到的长方体制件CIP后的收缩比例相差不是很大。

    In addition , through simulation and experiment of CIP , it is also found that difference of the parts degreased in different temperatures ( 850 ℃ and 1100 ℃) is not large in shrinkage ratio after CIP .

  12. 长方体空间的计算结果表明:DO模型的纯辐射传热预报结果比六热流(SHF)模型准确,与计算精确的区域法的计算结果吻合较好,而SHF模型的预报结果却有较大的误差。

    For the combustion chamber , the predicted results of pure radiative heat transfer were in good agreement with those of the zone method , while the SHF model gave relatively large deviations .

  13. 考虑的参数点集是一般的超长方体.而不是Zacharie(2001)考虑的超正方体。

    Moreover , the time set considered is a hyperrectangle which is more general than a hyper-square used by Zacharie ( 2001 ) .

  14. 而当底物Ⅰ浓度增加到0.5%时,并加入B-CS缓冲液及4%乙醇(95%,Ⅴ/Ⅴ),化合物Ⅱ以长方体结晶形式生成。

    When concentration of substrate ⅰ was increased to 0.5 % and B-CS buffer solution and 4 % alcohol ( 95 % , ⅴ / ⅴ) were added , compound ⅱ in cuboidal microcrystalline form was obtained .

  15. 光线跟踪长方体求交高效算法

    An Efficient Algorithm for Intersection with a Cuboid in Ray Trace

  16. 你能将长方体整入方孔吗?

    Can you get a rectangular cube into a square hole ?

  17. 师:用手摸一摸长方体发现长方体有什么特征?

    Touch the cuboid . What features does the cuboid have ?

  18. 弹性长方体封闭结构腔声辐射建模与分析

    Modelling and analysis of sound radiation of elastic rectangular enclosure

  19. 任意边界条件的弹性长方体封闭腔辐射声场分析

    Analysis of Sound Radiation of Elastic Rectangular Enclosure with Arbitrary Boundary Conditions

  20. 旋转舱内圆柱体及长方体群布局优化

    Layout optimization of cylinders and cuboids group inside rotating module

  21. 师:长方体有多少条棱?数数看。

    How many edges does a cuboid have ? Count , please .

  22. 长方体微波暗室内静区大小的设计

    The Pure Area Design for the Cubic Dimension Microwave Chamber

  23. 长方体劈裂实验的最佳宽高比研究

    Study on Optimal Ratio of Width-height in Cuboid Split Test

  24. 长方体ΔT场及其梯度场无解析奇点理论表达式

    Cuboid δτ and its gradient forward theoretical expressions without analytic odd points

  25. 1800年左右的老式音乐厅基本上都是长方体形状的。

    Older concert halls from the 1800s are generally rectangular .

  26. 我觉得我见过长方体形状的音乐厅。

    But I think I 've seen photos of rectangular concert halls .

  27. 用遗传算法求多面体的最小包容长方体

    Finding Minimum Contain Cuboid of Polyhedron with Genetic Algorithm

  28. 利用长方体的投影计算摄像机参数

    Estimating Camera Parameters from Projection of a Rectangular Parallelepiped

  29. 下面我们就面、、点研究长方体。

    Now let 's study cuboids by their faces , edges and points .

  30. 建立了在抛物圆柱体空间中带性能约束的长方体群的布局优化模型。

    An optimization model with performance constraints is presented .