tetrahedron
英 [,tetr?'hi?dr?n; -'hed-]
美[,t?tr?'hidr?n]
詞態(tài)變化
復(fù)數(shù):?tetrahedrons;
中文詞源
tetrahedron 四面體tetra-,四，-hed,座位，面，詞源同 seat,polyhedron.
英文詞源
- 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.
雙語(yǔ)例句
- 1. The center of inscribed circle of tetrahedron is called incenter.
- 四面體內(nèi)切球的球心稱為四面體的內(nèi)心。
來自辭典例句
- 2. We can now use tetrahedron and hexahedron elements in three - dimensional stress analysis.
- 我們現(xiàn)在在三維應(yīng)力分析中采用四面體單元和六面體單元.
來自辭典例句
- 3. Each tetrahedron shares two of its oxygens with neighboring tetrahedra.
- 每個(gè)四面體都有兩個(gè)氧原子是與其相鄰的兩個(gè)四面體共用的.
來自辭典例句
- 4. The Rubik's is a toy in the shape of a tetrahedron.
- 魔方是個(gè)四面體的玩具.
來自互聯(lián)網(wǎng)
- 5. A new bank - protection technology using tetrahedron - like penetrating frame groups is introduced.
- 介紹一種新型護(hù)岸技術(shù) ― ―四面六邊透水框架群護(hù)岸.
來自互聯(lián)網(wǎng)