octahedron是什么意思 octahedron的用法 octahedron怎么读
octahedron
英 [,ɒktə'hiːdrən; -'hed-]美 [,ɑktə'hidrən]
n. 八面体
英语词源
octahedron (n.)
1560s, from Greek oktahedron
, neuter of oktahedros "eight-sided," from okta- "eight" (see octa-) + hedra "seat" (see sedentary). Related: Octahedral.权威例句
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.
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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.
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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.
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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.
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[ octahedron 造句 ]
