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n.[晶体]四面体
1、octahedron───n.八面体
2、hexahedron───n.[数]六面体
3、tetrahedral───adj.四面体的；有四面的
4、tetrahedrons───n.[晶体]四面体（tetrahedron的复数）
5、tetrahedra───n.四面体(tetrahedron的变形)
6、decahedron───n.[数]十面体
7、tetrahydroxy───adj.四羟的
8、heptahedron───n.[数]七面体
9、tetrahedrite───n.[矿物]黝铜矿
1、A new finite element space is studied in which the scaling function of B-spline wavelet is considered as the shape function of tetrahedron.───研究了一类新的有限元空间，它以BYang条小波函数作为有限等参元的形状函数；
2、The gallium and germanium present in the form of isomorphism in tetrahedron coordination with sulphur in sphalerite.───镓、锗与硫呈四面体配位，形成闪锌矿型晶体结构，以类质同象形式伴生于闪锌矿中。
3、tetrahedron with four equilateral triangular faces.───有四个等边三角形面的四面体。
4、Thus one has a triangle in, a tetrahedron in, etc.───因此在空间中是一个三角形，空间中是一个四面体，等等。
5、This is the website for the Tetrahedron Information System.───这是四面体信息XiTong的网站。
6、The building combines four sides of a tetrahedron : a hexagon, a cross, a rectangle and a circle into one pavilion.───建设结合四面四面体：六角形，跨，一个矩形和一个圆圈为一个展区。
7、Optimize the Earth into a tetrahedron, with white, yellow, brown, black human races standing on each side of it.───地球优化成一个四面体，四面上分别站着白黄棕黑四色人种。
8、The geometry of the crop circle ship is an octahedron (double pyramid) at the core of a large tetrahedron.───麦田圈船的几何是一个在大型四面体的核心的八面体（双金字塔）。
9、A man with a large heavy blood stained tetrahedron mounted over his head.───一名男子有大量沉重的血沾满四面体装在他的头上。
1、Each tetrahedron shares two of its oxygens with neighboring tetrahedra.
2、The tetrahedron is contained within the diagonals of its six faces.
3、Based on the experimental results , the tetrahedron - like penetrating frame was used in actual projects.
4、Isolated tetrahedra are linked by mutual bonding to a cation between.
5、Folding of square, pentagon, ellipse, spider and tetrahedron.
6、The tetrahedron has four faces, each an equilateral triangle.
7、An algorithm for tetrahedron mesh that can approach to the conicoid boundary during the refined process was presented.
8、Tetrahedron sandstone statues tower, the existing four, descending, were folded pyramid.
9、The clays consist of silica tetrahedra and the octahedra contain magnesia surrounded by oxygen atoms and hydroxyl groups.