英语单词

词典成语诗词造句字典单词小说古文名言

octahedron

英 [,ɒktə'hiːdrən; -'hed-] 美 [,ɑktə'hidrən]

n. 八面体

英文词源

octahedron (n.): 1560s, from Greek oktahedron, neuter of oktahedros "eight-sided," from okta- "eight" (see octa-) + hedra "seat" (see sedentary). Related: Octahedral.

双语例句

1. The cycle sum of the rotation group of the octahedron was calculated.: 正八面体的旋转群的循环和已算出.

2. Making oars. First step - from square to octahedron.: 制作浆. 第一步从方形到八面形.

3. An octahedral tessellation approximates a spherewith an octahedron whose vertices are all on the unIt'sphere.: 八面体三角化把球面近似于一个顶点在单位球上的八面体.

4. The octahedron steel ingot and V - anvil forging bar can effectively prevent cracks in crystal boundary.: 因此采用八棱形钢锭锻造齿轮轴,并采取上下V形砧拔长圆坯的方式可以有效地防止轴心晶间裂纹的出现.

5. The synthesis of regular octahedron cobalt oxide battery material in supercritical carbon dioxide system was studied.: 研究了正八面体氧化钴颗粒在超临界二氧化碳体系中的合成过程.