tetrahedron

• n. [晶体] 四面体

1. any polyhedron having four plane faces

The Rubik's is a toy in the shape of a tetrahedron.

魔方是个四面体的玩具.

期刊摘选

The most likely alternative structure, the tetrahedron, would produce only one isomer for this composition.

在这种情况下,最可选的结构是四面体, 并且对于这个化合物将只产生一个异构体.

期刊摘选

Each tetrahedron shares two of its oxygens with neighboring tetrahedra.

每个四面体都有两个氧原子是与其相邻的两个四面体共用的.

辞典例句

The internal structure of silica has a pyramid ( tetrahedron ) unit .

硅的内部结构是一个 四面体.

期刊摘选

Tetrahedron sandstone statues tower, the existing four, descending, were folded pyramid.

四面体砂岩造像塔, 现存4块, 由大到小,呈塔形叠起.

期刊摘选

The center of inscribed circle of tetrahedron is called incenter.

四面体内切球的球心称为四面体的内心。

辞典例句

tetra-,四，-hed,座位，面，词源同 seat,polyhedron.

1. The center of inscribed circle of tetrahedron is called incenter.

四面体内切球的球心称为四面体的内心。

来自辞典例句

2. We can now use tetrahedron and hexahedron elements in three - dimensional stress analysis.

我们现在在三维应力分析中采用四面体单元和六面体单元.

来自辞典例句

3. Each tetrahedron shares two of its oxygens with neighboring tetrahedra.

每个四面体都有两个氧原子是与其相邻的两个四面体共用的.

来自辞典例句

4. The Rubik's is a toy in the shape of a tetrahedron.

魔方是个四面体的玩具.

来自互联网

5. A new bank - protection technology using tetrahedron - like penetrating frame groups is introduced.

介绍一种新型护岸技术 ― ―四面六边透水框架群护岸.

来自互联网

tetrahedron (n.)

"triangular pyramid, solid figure contained by four triangular surfaces," 1560s, from Late Greek tetraedron, noun use of neuter of tetraedros (adj.) "four-sided," from tetra- "four" (see tetra-) + hedra "seat, base, chair, face of a geometric solid," from PIE root *sed- (1) "to sit" (see sedentary). Related: Tetrahedral.