查询词典 equilateral

The equilateral and straight traverse replacing the approximate equilateral and straight traverse is introduced in the paper, so the question of the rational match of the side-angle-weight in the approximate equilateral and straight traverse survey is solved.

主要介绍以等边直伸导线代替近似等边直伸导线，以解决不同类型近似等边直伸导线测边测角权的合理匹配问题。

According to the angular spectrum theory, the Fraunhofer diffraction light intensity distribution of the equilateral triangle and the equilateral hexagon is calculated by computer, the characteristics of their light intensity distribution is analyzed and contrasted, and it is proved by experiments.

根据衍射角谱理论，利用计算机数值计算了由正三角形和正六边形组成的衍射平面的夫琅和费衍射光强分布，分析并比较了两者的衍射光强分布特点，并用实验验证了上述数值计算的正确性。

In addition to creating zone of stability in the Moon's orbit in which to build permanent space habitats, the Lagrange librations points have a unique geometry, such that three of the points form an equilateral triangle and two of those three points form congruent equilateral triangles with the Earth and Moon.

除了在月球轨道上建立稳定区域以便建造永久的太空生活地外，拉格朗日平衡点也具备了独特的几何，像是三点形成等边三角形，或者是有两点能跟地球与月球形成全等的等边三角形。

In addition to creating zone of stability in the Moon's orbit in which to build permanent space habitats, the Lagrange librations points have a unique geometry, such that three of the points form an equilateral triangle and two of those three points form congruent equilateral triangles with the Earth and Moon.

此外，可以在月球的轨道创造稳定区域，来建立永久性的太空栖息地。拉格朗日点有一个独特的几何形状，例如有三个点（L3、L4、L5），形成等变三角形。而这三个点中又有两个（L4、L5），和地球月亮构成两个等边三角形。

Mainly analyses influence of variant characteristic length under same diffusion distance, and which is the best choice from square, circular, and equilateral triangle. The results show that equilateral triangle is the best.

管道截面形状对混合的影响：主要分析了相同微流体扩散距离的条件下，矩形管道截面不同特征长度的影响，以及方形、圆形、正三角形不同截面形状的影响。

Triangles are isosceles triangle, equilateral triangle, acute triangle, obtuse triangle, and triangle.

三角形有等腰三角形、正三角形、锐角三角形、钝角三角形和直角三角形。

All meshing elements except those are adjacent to edge and transition elements are equilateral triangle, which is very useful for finite element computation.

提出了一种可在平面内进行三角形有限元网格划分的方法，该方法可以在任意二维区域进行剖分；剖分单元除了边界和部分过度单元外，主要为等边三角形。

A pressure correction equation is established by use of the finite volume method on nonorthogonal collocated grids, and its algebraic form is also given. The equation is applied to simulation of the flow field in an equilateral cavity and an inclined cavity with a tilt angle of 45°.

利用有限体积法建立了非正交同位网格系统中的压力校正方程，详细给出了压力校正方程的离散形式，并对正方腔及倾斜角为45°的斜方腔内流场进行了数值模拟计算。

Black tea is the requisite that minority of Chinese border area lives daily, in Xinjiang, Tibet, inside cover equilateral border area, element has " would rather be not had 3 days feed, cannot a day of " that do not have tea," does not have tea criterion ill " say.

黑茶是中国边疆少数民族日常生活的必需品，在新疆、西藏、内蒙等边疆地区，素有"宁可三日无食，不可一日无茶"、"无茶则病"之说。

Carried out generalized Mises yield criterion , yield curve on the n flat face was circle curve, and different elected parameters correspond to external angular point circumcircle、 internal angular point circumcircle and incircle of Mohr-Coulomb unequiangular hexagon. According to unequiangular hexagon, circle yield curve which had the same area as hexagon can be found, and corresponding yield criterionwas equilateral circle yield curve.

3广义米赛斯准则在π平面上的屈服曲线为圆曲线，选择的参数不同对应有莫尔—库仑不等角六边形的外角点外接圆，内角点外接圆和内切圆，对于不等角六边形，还可以找到一个面积和六边形相等的圆屈服曲线，对应的屈服准则为等面圆屈服曲线。

Molecular Distillation is a kind of high vacuum distillation method, which is suitable for the separation of high boiling, heat sensitivity and viscidity products.

分子蒸馏技术是一种在高真空条件下进行的连续蒸馏过程，适合于分离高沸点、热敏性及具有生物活性的混合物。

They are to the Noughties what yuppies were to the Eighties .

那在六十年代是时髦的，但在八十年代肯定是过时了